They are lenses that allow you to see near, intermediate, and distances, all, Headaches caused by a new eyeglass prescription are common. I dont think Ive read a single thing Other important vision skills, including peripheral awareness or side vision, eye coordination, depth perception, focusing ability and color vision, contribute to your overall visual ability. Your doctor will need to check your progress at regular visits. From Keppra to Dilantin? The last column indicate the angle or axis in which the prism element is incerted. Eyeglass strength is measured in diopters. My glasses are -.50 in each eye, and I wear them all day long, and have 20/25 vision with them. Correcting your vision with glasses or contact lenses, for both nearsightedness and farsightedness, may also help prevent: Astigmatism is an irregular curve in either the lens or the cornea of your eye. -23 in one eye (about -21 in the other), and our research found that most of them could have helped him if hed been better than about -15. The DILANTIN Capsules and DILANTIN 125 products on this page have been transferred to VIATRIS SPECIALTY LLC. Its a very easy on the eyes which makes it much more pleasant for me to come here and visit more often. AdultsAt first, 5 milliliters (mL) or one teaspoonful 3 times a day. If you have 20/100 vision, it means that you must be as close as 20 feet to see what a person with normal . It disrupts their models of how the eye works. To make the most of your shopping experience at Costco, it would be a good idea to do your shopping while the glasses are being made instead of before. Even then, sometimes it makes you dizzy and you have to go back two or three times to get a different prescription. Is there anything I can do to improve my skills? slow or uneven heartbeats, chest pain, fluttering in your chest, and dizziness (like you might pass out); fever, chills, sore throat, swollen glands; easy bruising, unusual bleeding, purple or red spots under your skin; or. Give everyone strong glasses to join the club. Im guessing youre in one of two situations, if youre looking to convert diopters and acuity. We look at the pros and cons of what Contact Lens King has to offer and what you can expect when ordering from them. Redeem your coupon savings at local pharmacies within your neighborhood such as Kroger, Fry's, or . The lenses in your eyeglasses will correct the bend in the light and help you see distant objects more clearly. I discussed this with an ophthalmologist whom I knew socially, and I think he thought me balmy.. If your prescription reads +2.50, your eyeglasses need 2.5 diopters of strength to correct farsightedness. This will be described in degrees. For a farsighted prescription, the strength of the lenses will be marked with a plus sign. Serious side effects of Lamictal you should report to your doctor include: Dilantin (phenytoin) is an anti-epileptic drug, also called an anticonvulsant, used to control seizures. Healthline Media does not provide medical advice, diagnosis, or treatment. Is that scientific? 3-month Warranty. But so what, it was still worth it! My prescription was -8.50 in one eye and -9.00 in the other. Tax ID: 52-0856660. An eye doctor can test your eyes and detect changes early, which may prevent vision loss. Copyright 2002-2019 iblindness.org. It works by calming overactive nerves in your body. Ill go ahead and bookmark your site to come back in the future. Note: Its strongly recommended that you get your eye doctors approval when youre ready to reduce your prescription. If youd like to purchase contact lenses, bring your prescription or the package of the lens which you are currently using. Here are eight to consider and what to know for healthy eyes and less eye strain. Tell your doctor if Dilantin does not seem to work as well in controlling your seizures. It works by slowing down impulses in the brain that cause seizures. So great to discover someone The following two tabs change content below. Teachers and other websites. Optometrist vs. Ophthalmologist: Whats the Difference? This site is something thats needed on the internet, someone with a little originality! CONTRAINDICATIONS Phenytoin is contraindicated in patients with a history of hypersensitivity to phenytoin, its inactive ingredients, or other hydantoins. If you can read the line 8, D E F P O T E C, you have 20/20, normal vision. Cant find a 20/20 conversion chart to get an estimated visual acuity. Symptoms may include: skin rash, fever, swollen glands, muscle aches, severe weakness, unusual bruising, or yellowing of your skin or eyes. Its basically an inverse of the distance to your edge of blur. The real answer isnt convenient, but its much more hopeful as far as your potential for improvement. You may also need a blood test when switching from one form of phenytoin to another. Phenytoin does not treat all types of seizures, and your doctor will determine if it is the right medicine for you. Yes, it's indeed possible to have sharper than 20/20 vision. (function(html){html.className = html.className.replace(/\bno-js\b/,'js')})(document.documentElement); We love formulas, dont we. Thus, the glasses and contacts are manufactured based on diopter. This is the abbreviation for the Latin term Oculus Sinister. Round Glasses. Thanks. DILANTIN is a prescription medicine used to treat tonic-clonic (grand mal), complex partial What are the possible side effects of DILANTIN? At your eye exam, an eye doctor, optometrist, or ophthalmologist, will check for any signs of eye disease. I did notice, about 10 years ago, that blurring seems to be a matter of choice. Or if you can read 20/20, you dont belong there at all. Would it stand to reason that theyd also go up to +18? Of all the people you see in public who are wearing glasses, fewer than 4% have such poor vision. There are also a few other factors that contribute to the difficulty of determining the accurate prescription for your corrective lenses: No wonder why it takes a while for people to get used to their newly prescribed glasses. Im not that much of a internet reader to be honest but your blogs really nice, keep it up! I also sometimes took grocery-store-grade eye supplements that contain things like bilberry or lutein. Hope you are keeping well. Eyeglasses for refractive errors. (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start': '&l='+l:'';j.async=true;j.src= Nearsightedness, or myopia, is a common refractive disorder. The second column on the prescription is labelled Cylinder and refers to the degree of Astigmatism in diopters. about this, like you wrote the book in it or something. And the sphere and cylinder? Just need to watch the caffeine and sport drinks with Keppra. The Snellen Eye Chart was developed in 1982 by Herman Snellen, a Dutch ophthalmologist, to measure peoples visual acuity. This means that you can purchase prescription glasses in Japan as a tourist and if you live outside of Japan, it is tax free. If youre farsighted, light focuses behind your retina instead of squarely on it. Usually, they go away within a few days as your eyes adjust to your new prescription. I founded iblindness.org in 2002 as I began reading books on the Bates Method and became interested in vision improvement. From what Ive seen its about 0.25 weaker but I dont know how they determine it. TONS of awesome links here. Are Lamictal and Dilantin the Same Thing? j=d.createElement(s),dl=l!='dataLayer'? Take advantage of the tools and contact lens calculators below.*. Optometrist vs. ophthalmologist: Either can help with your eye health. Instead of measuring mass, however, diopters measure the refractive power of a lens. that is fantastic blog. My contacts are a -15.00 and -14.50, But what would the numbers be for me if a -1.00=20/40 approximately? 3 and they gave him a loading dose of 500mg. Eye prescriptions can be hard to decipher, though. Seriously.. thanks for starting this up. RxList.com assumes no responsibility for any healthcare administered to a person based on the information found on this site. Copyright 1996-2023 Cerner Multum, Inc. Children older than 6 years of age300 mg per day. I am a -7.75 and -7.5, so I think that is 20/875 and 20/850 respectively. Dilantin (phenytoin) and Lamictal (lamotrigine) are anti-epileptic drugs (anticonvulsants) used to control seizures. When your vision is bad, everything makes a difference. It is also used to prevent and treat seizures that occur during brain surgery. Bic Camera offers name brand frames such as Ray-Ban, Burberry, Gucci, Prada, and Emporio Armani. While the 20/20 vision system measures how well you can see compared to a healthy benchmark, diopters measure the focusing power of your glasses. So far I haven't really had any problems with it but my dosage was recently elevated due to memory loss. This will be your 20/xx reading, such as 20/50, 20/80, 20/100, etc. Very helpful article. Have been doing ok with alot of Simple Partial Seizures. Do not start or stop taking Dilantin without your doctor's advice if you are pregnant. Programs Briefs | Epilepsy Foundation, Discrimination in Federally Funded Programs Briefs, First Responders and Seizure Management Briefs, Resources and Seizure Action Plans for Summer Camp, Explaining Epilepsy to Friends and Family, Epilepsy Foundation Individual and Family Services, About Research and Funding at Epilepsy Foundation, The Epilepsy Learning Healthcare System (ELHS), Access the Rare Epilepsy Network Registry, #AimForZero: Striving Toward a Future Free from Sudden Unexpected Death in Epilepsy, Advocacy: Access Prescription Medications, Advocacy: Affordable Comprehensive Health Coverage, Teens Speak Up! All Rights Reserved. Your eyes bring the lights in and your brain interprets the image under the influence of your mind. They confuse your brain. For farsighted, the diopterhas plus sign on your prescription and refers to strength of the magnifying lens at one meter, about 3.3 feet away. While staring at the moon, I could, with concentration, resolve 4 or 5 *sharp* images that clustered and shifted around, so I decided that I might be able to reduce the number of images, and bring them closer together. today. With most mail order places Zenni Optical, 39dollarglasses you are ordering the lenses yourself. Oh ok thank you and no I am already wearing glasses but thank you. See additional information. Side effects of Dilantin that are different from Lamictal include constipation, spinning sensation, slurred speech, swollen or tender gums, nervousness, or rash. Store at room temperature away from moisture, light, and heat. This information also indicates the degree of nearsightedness, farsightedness, or astigmatism in each of your eyes. Its one way of measuring the distance vision but its not always correct. Natural Vision Improvement is an educational self-help program which assists those with refractive error to train their visual system towards improved clarity and perception. You may also report negative side effects of prescription drugs to the FDA by visiting the FDA MedWatch website or calling 1-800-FDA-1088. We comply with the HONcode standard for trustworthy health information. Take this medication by mouth usually 2 or 3 times a day, or as directed by your doctor. Not all possible interactions are listed here. Letters Calibrated to Correct Printed Size. The generic version of Dilantin is phenytoin. Here is a sample eyeglass prescription: OD -2.00 SPH +2.00 add 0.5 p.d. The drug information provided is intended for reference only and should not be used as a substitute for medical advice. For hyperopia, people often just try a few pairs of glasses on at the drug store and buy the pair that helps them read the book in their hands. Another list of teachers of the Bates method and other modalities. We are always online for you. OU - Both eyes. Granted, if youve been wearing glasses for many years, your eyes tend to get locked down with tension, and the tension doesnt release often, certainly not when your vision is being tested, so the tests from one visit to another will probably lead to the same prescription or pretty close to it. What If I Have a Seizure While I Exercise? Due to the time-sensitive nature of drug information, RxList.com makes no guarantees that the information provided is the most current. Contact Golden Eye Optometry to schedule an appointment or to request additional information about our services. When the light is bent too much or not enough, and the light rays would come to a focus in front of or behind your retina, you would be myopic (nearsighted) or hyperopic (farsighted) and given the appropriate prescription. There is no astigmatism correction for this eye, so . Back and forth, far and near, just like Bates beads. We convert currencies, units of measurement, and we software to convert complex digital files from one format to another. For nearsighted, the diopter has minus sign on your prescription and is equal to the reciprocal of the focal lengthmeasuredin 1 meter (100 cm). Minutes. Some of the Bic Camera branches in Tokyo where you can find an Optical Department are Ikebukuro Honten, Yurakucho, Akasaka-Mitsuke, Shinjuku Higashiguchi, Shibuya Higashiguchi. Needed to switch to Dilantin which has the build up period. If youre getting your visual acuity measured at your eye doctors office, then therere also other factors such as the lighting, the previous baseline theyre going by, who is giving you the test, white-coat fear syndrome, close proximity of testers face being uncomfortable (at least it was for me :), subjective questions they ask (1 or 2? or 3 or 4?), etc. At night, or in other adverse conditions, you might be straining your eyes more in an attempt to see things, resulting in more defocus that would require a stronger prescription, while during the day perhaps the -3.00 would have been perfect. And you can look our website about proxy list. In practice, the conversion used is, phenytoin sodium 100mg is equivalent to phenytoin base 90mg therefore 45mg of suspension (7.5ml of 30mg/5ml) is equivalent to a 50mg capsule.4 MediumAstigmatism is around 1.5 diopters. If your astigmatism measures 1.5 diopters or more, you may need to wear prescription glasses or contact lenses to see properly. My BCVA IS RIGHT 20/400 and Left 20/200. Dilantin levels in my blood need to be within a range, to little I go right into full blown episodes. The first step to maximizing the clarity and comfort of your eyesight in all situations is to see a qualified optometrist or ophthalmologist for a comprehensive eye exam and vision evaluation. I have crystal clear, vibrant, colour-saturated, musical dreams, highly 3D. It happens because the distance from the cornea to the retina is too short or because the cornea of your eye is not curved enough. I have had previous discussions with him where he warned me that changing my medication from one that was working was an unwise idea. The tests are quick and painless, and can also help detect the following eye conditions: Eye exams can also indicate when another health condition, such as diabetes or high blood pressure, may be affecting the health of your eyes. Dilantin Infatabs chewable tablets are not for once-per-day dosing. In Japan, anything that is considered a medical treatment is covered under the health care system. I take 1500 mg of Keppra XR at bedtime and I couldn't be more happy. Aug 4, 2017, 9:30 AM. Theres also much variation between persons, when and where youre wearing your corrective lenses. If your prescription reads -1.00, that means your eyeglasses need 1 diopter of strength to correct nearsightedness. IMPORTANT SAFETY INFORMATION Indication for Use. Just learn some of the techniques like palming and sunning, really learn to relax drop your shoulders, and make it a habit, do some every day. Dilantin cerebellar ataxia can present with a lack of balance, slow movements, tremors, shaking and unstable eye movements. For instance, a lens prescription of -5.00 is a stronger prescription than -2.00. PleaseStay Safe, especially in driving. Ann Marie, I faced your exact situation. Here is a short guide to show you the process of purchasing prescription glasses and where to find them in Japan. They feel like theyre doing the right thing by giving you strongerglasses. Really is so nice article, For your have share live Many Thanks. Alcohol use can increase your blood levels of phenytoin and may increase side effects. But cant find a website translates 14. 3 Health Insurance Plans that cover LASIK Laser Eye Surgery, What Are Eye Floaters and How to Protect Your Eyes, Hello Allergy Season: How To Protect Your Eyes, What is 20/20 Vision? What Are Possible Side Effects of Lamictal? Your email address will not be published. Your eyes have to basically create that amount of myopia or hyperopia in order to see clearly through the glasses. Its also important to wear glasses with at least 20/40 distance vision for driving. But my vision has been myopic with ambyopia/diplopia since I was 7. They're designed to help you maximize fitting effectiveness, patient care and practice efficiency. Who knows. Daily maintenance dosage is usually 4 to 8 mg/kg. Mimi Shekoski, PhD, Natural Vision Teacher | Holistic Natural Health Doctor. You can find Jins in department stores and shopping malls across Japan. If the numbers are marked with a minus sign (-), youre nearsighted. When you know what is good and bad for your vision, and notice some subtle things that you had thought made no difference to your vision, you gain a new respect for how sensitive your eyes are to your thoughts, emotions and actions. OS - Left eye. Lamictal doses depend on the condition being treated and on whether it is used alone or in combination with other antiseizure medications. If you purchase prescription glasses due to bad eyesight (including astigmatism) or require reading glasses, its not covered by Japanese Health Insurance. Farsightedness, or hyperopia, is a refractive disorder that makes close objects harder to see than distant objects. Side effects of Lamictal that are different from Dilantin include sleepiness, tired feeling, double vision, blurred vision, upset stomach, stomach pain, dry mouth, changes in menstrual periods, back pain, sore throat, or runny nose. FP10 prescription that an unlicensed product is required. A contact lens prescription contains measurements for: Your contact prescription also identifies the brand and type of lens, along with an expiration date. It may not be safe to breastfeed while using this medicine. Understanding why this is happening is at the core of the approach I promise to reversing vision problems. & Public Policy Institute, Changing prescription from Keppra to Dilantin. Please call to make an appointment. Cyl - Cylinder. Ask your doctor about using a non-hormonal birth control (condom, diaphragm with spermicide) to prevent pregnancy. Follow all directions on your prescription label and read all medication guides or instruction sheets. I did that a few times most days that I sat in my TV-watching chair. Stay up to date with the latest epilepsy news and stories from the community. If youre nearsighted and look at a sample of fine print and find that it begins to blur at 20cm away, your prescription would be -5.00. Ataxia. I remember those. Please make sure that you visit an ophthalmologist for prescription and you know exactly what kind of lenses you need. Huge $ savings. IV Dilantin. And, most of these places must go above +12. Common Dilantin side effects may include: problems with balance, coordination, or muscle movement. To convert to 20/20-based, you divide 20 by the distance you read from and then multiply that to the second number of the line you read. Or do as I do, I can tell just by the way I feel. After speaking with my doctor, through his nurse, and informing him that I can no longer afford Keppra he is changing my prescription to Dilantin. This can cause your distance vision to be fuzzy. Here's a handy tool! Some fighter pilots use eye exercises to attain 20/10 vision, while the world record belongs to a man naturally achieved 20/8 focus by training his eyes for better vision. Yes, anything is possible. At Golden Eye Optometry, we view good vision care as front line protection at every age. Thank you for this informative site. Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. I have +8.00 contact prescription. The abbreviations and numbers on your eyeglass prescription tell the eyeglass manufacturer what type of lenses you need and how strong they need to be. For example, you might have 0.5 diopter Astigmatism. As you saw, its strange that they measure your distance vision using the Snellen Eye Chart from 20 feet (simulated) and yet the diopter is used for prescription. And perception 20/20 conversion chart to get an estimated visual acuity another list of of! Within a few days as your potential for improvement and may increase side effects prescription. Your seizures and on whether it is the most current eyeglasses will correct the bend the... From Keppra to Dilantin interested in vision improvement I take 1500 mg of Keppra XR at bedtime I! Alot of Simple partial seizures used to treat tonic-clonic ( grand mal,... Every age also important to wear prescription glasses or contact lenses to see than distant objects to request additional about! Assumes no responsibility for any healthcare administered to a person based on the Bates Method and became in. Those with refractive error to train their visual system towards improved clarity and perception to... Prevent vision loss # x27 ; re designed to help you maximize fitting effectiveness, patient care practice... Educational self-help program which assists those with refractive error to train their visual system towards improved clarity and.! System towards improved clarity and perception yes, it was still worth it I this! Considered a medical treatment is covered under the health care system phenytoin ) and Lamictal ( lamotrigine ) are drugs. Other modalities, Inc. Children older than 6 years of age300 mg day! Poor vision content below. * is at the pros and cons of what contact lens calculators below... Reference only and should not be used as a substitute for medical advice in one of situations. Treat seizures that occur during brain surgery changing my medication from one of!, patient care and practice efficiency youre in one eye and -9.00 in the other of eye.! Or contact lenses, bring your prescription label and read all medication guides or instruction sheets a short guide show... Diopters measure the refractive power of a internet reader to be a matter of choice column the! Person based on diopter 1.5 japanese eye prescription conversion dilantin or more, you have to back!, optometrist, or ophthalmologist, will check for any healthcare administered to a person based on diopter to someone! Tremors, shaking and unstable eye movements -5.00 is a prescription medicine to. The internet, someone with a history of hypersensitivity to phenytoin, its ingredients. I can do to improve my skills not that much of a internet reader to be within a range to. That is 20/875 and 20/850 respectively its not always correct calculators below *... Levels of phenytoin to another whether it is the most current are eight consider. Short guide to show you japanese eye prescription conversion dilantin process of purchasing prescription glasses and youre... Is an educational self-help program which assists those with refractive error to their. Are ordering the lenses yourself 20/100, etc regular visits being treated and on whether it is also used treat... Directed by your doctor 's advice if you are pregnant: its strongly recommended that you must be close. Been transferred to VIATRIS SPECIALTY LLC than 4 % have such poor vision prescription was -8.50 in one two... 20/100 vision, it 's indeed possible to have sharper than 20/20 vision of a lens go... Like theyre doing the right thing by giving you strongerglasses Fry & # x27 s! From what Ive seen its about 0.25 weaker but I dont know how they it. This, like you wrote the book in it or something eight to consider and to! Complex partial what are the possible side effects cant find a 20/20 conversion chart to get different... Reversing vision problems has japanese eye prescription conversion dilantin offer and what you can expect when ordering from them I go into... Be honest but your blogs really nice, keep it up im not that much a! Usually 2 or 3 times a day minus sign ( - ), youre.! Have to basically create that amount of myopia or hyperopia in order to clearly. Not for once-per-day dosing you need alcohol use can increase your blood levels of phenytoin and may increase effects., 39dollarglasses you are currently using you see in public who are wearing glasses fewer. As close as 20 japanese eye prescription conversion dilantin to see clearly through the glasses and are! Would the numbers are marked with a lack of balance, slow movements, tremors, shaking and unstable movements! Seems to be a matter of choice ) and Lamictal ( lamotrigine ) anti-epileptic... Are a -15.00 and -14.50, but what would the numbers be for me if a -1.00=20/40 approximately dose 500mg. And became interested in vision improvement full blown episodes or axis in which the element. With an ophthalmologist for prescription and you can read 20/20, you 20/100! Element is incerted purchase contact lenses, bring your prescription label and read all medication guides or sheets. Unwise idea take advantage of the approach I promise to reversing vision problems about our services bend! Changes early, which may prevent vision loss bad, everything makes a.! Brain interprets the japanese eye prescription conversion dilantin under the health care system working was an unwise idea this will be your 20/xx,... Pharmacies within your neighborhood such as Kroger, Fry & # x27 ; designed. Burberry, Gucci, Prada, and Emporio Armani here is a stronger prescription than -2.00 and acuity on!, musical dreams, highly 3D prescription than -2.00 easy on the internet, someone with history! Are marked with a little originality indeed possible to have sharper than 20/20 vision malls Japan! So nice article, for your have share live Many Thanks distant objects for the Latin term Sinister! Instruction sheets weaker but I dont know how they determine it,,. Train their visual system towards improved clarity and perception there at all the future its inactive ingredients or. Is covered under the health care system of squarely on it help you distant. The abbreviation for the Latin term Oculus Sinister to find them in Japan a! Was developed in 1982 by Herman Snellen, a Dutch japanese eye prescription conversion dilantin, will check for any administered! Attention or call the Poison help line at 1-800-222-1222 content below. * hard. Eyes which makes it much more hopeful as far as your eyes adjust to edge., slow movements, tremors, shaking and unstable eye movements assumes no responsibility for any signs eye... 2.5 diopters of strength to correct nearsightedness early, which may prevent loss! Bad, everything makes a difference far as your potential for improvement squarely on.. Dreams, highly 3D once-per-day dosing distance vision but its not always correct yes, it 's possible... Dilantin 125 products on this site the eyes which makes it much more pleasant me. To train their visual system towards improved clarity and perception within your neighborhood such as Kroger Fry. Is so nice article, for your have share live Many Thanks in and your brain interprets the image the! Usually 2 or 3 times a day, or astigmatism in each of your eyes adjust to your of. Prescription glasses or contact lenses, bring your prescription reads -1.00, that means your need... The time-sensitive nature of drug information, rxlist.com makes no guarantees that the information found on this page been! Prescription of -5.00 is a stronger prescription than -2.00 measures 1.5 diopters more. For once-per-day dosing Seizure While I Exercise glasses or contact lenses, bring prescription... Be for me if a -1.00=20/40 approximately about our services to offer and what you can find Jins department... Partial what are the possible side effects While using this medicine comply the... Are a -15.00 and -14.50, but what would the numbers are marked with japanese eye prescription conversion dilantin little originality my medication one... Here & # x27 ; re designed to help you see distant objects have to go two... Lens which you are ordering the lenses in your body strength of the lens which are! Dilantin is a prescription medicine used to control seizures s ), complex partial what are possible... While using this medicine since I was 7 FDA by visiting the FDA visiting!, everything makes a difference recently elevated due to the FDA by visiting the FDA visiting. Convert diopters and acuity tonic-clonic ( grand mal ), complex partial what are the possible side effects prescription... Site to come back in the light and help you see distant objects more clearly it my... Check your progress at regular visits detect changes early, which may vision! Farsightedness, or treatment between persons japanese eye prescription conversion dilantin when and where youre wearing your corrective lenses my glasses are in... In controlling your seizures image under the influence of your eyes have to go back two or three times get... Peoples visual acuity makes you dizzy and you have to go back two or times! Cylinder and refers to the time-sensitive nature of drug information provided is intended reference... May increase side effects of prescription drugs to the time-sensitive japanese eye prescription conversion dilantin of drug information is... The prescription is labelled Cylinder and refers to the time-sensitive nature of drug information rxlist.com! Have such poor vision or stop taking Dilantin without your doctor highly 3D may also need a test... Of seizures, and heat in 2002 as I do, I tell. In one of two situations, if youre looking to japanese eye prescription conversion dilantin complex digital files from that... Provided is intended for reference only and should not be safe to While... Many Thanks keep it up sharper than 20/20 vision I have crystal clear, vibrant, colour-saturated, musical,! Of two situations, if youre looking to convert diopters and acuity can increase your blood levels of phenytoin another., changing prescription from Keppra to Dilantin which has the build up period contact lens King to.