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|Question from Ohio
I am a 36 year old white male with albinism. My vision corrected with disposable contacts (b/l acuvue)is 20/140 somewhere around there....... Are there newer contacts on the market that would be more suitable for my astigmatism? Does laser surgery help? What are some possibilities I might consider....I know I will never have 20/20 vision but I would like to improve correct my vision through corrective measures as much as possible.. Any advice is greatly appreciated..... Thank You....
In patients with albinism, 20/20 vision is usually not attainable. However, if your vision is not as good with contact lenses as it is with glasses, due to astigmatism, you could consider astigmatic or toric contact lenses. Disposable lenses are comfortable and easy to use; most toric lenses are either "semi-disposable" or standard daily wear contact lenses. Your local eye doctor should be able to recommend particular brands and whether he or she feels they are appropriate for correcting your visual needs. Good luck with your search.
Question from Chengdu, China
Frequently eyesight may worsen as one gets older due to genetic factors. It may be that your change in vision is solely due to something that was "built into" your genes. If this is primarily your near-sightedness decreasing, it is unlikely that there is anything that can be done to prevent or avoid this process. However, appropriate glasses or contact lenses should correct your vision to a normal level. If there are other problems preventing normal vision they should be evaluated as soon as possible by an ophthalmologist.
Question from California
Keratoconus is a familiar condition to most ophthalmologists, but is usually treated by specialists in corneal disease, particularly when there is a question of surgical treatment. The best way to find a qualified corneal specialist, would be to consult your local university or your State Ophthalmology Society. Most universities have specialists on the faculty of their eye center and the State Ophthalmology Society can give you the names of ophthalmologists who specialize in corneal disease. Please contact us if you have further questions.
Question from Florida
A brown spot on the white part of the eye usually results from melanin pigment in the membrane covering the white of the eye. The medical term for this is melanosis. In black people this is usually a normal finding and merely indicates the presence of melanin pigment at certain areas in that membrane. It is often normal in Caucasians as well, but in some cases these spots can turn into a type of skin cancer and must be observed carefully. This virtually never happens in blacks.
Unfortunately there is no easy way to eliminate the melanosis. In some cases surgical removal is possible, but if you are considering this, you should have your eyes carefully evaluated by an eye surgeon. Good luck with your evaluation and please contact us if you have any questions.
Question from Texas
When the pupil becomes dilated as a result of an injury, it generally means that there has been damage to the muscle of the iris. Occasionally eye drops will help this muscle to contract despite its damage. However, the eye drops may be uncomfortable to use and in some people may interfere with focusing. Surgery can, indeed, make the pupil smaller, but the procedure is a complicated one that can result in worsened vision or other damage to the eye in some cases. Occasionally the use of an opaque contact lens can help either with the appearance of the eye or with the light sensitivity that sometimes results. Depending on the things that bother you most about your dilated pupil, you may want to consider some of these options. An eye surgeon can give you further advice about the benefits of each of these courses of action. Please contact us if you have further questions.
Question from Tennessee
Your contact lens problem sounds challenging. If you are wearing a contact lens in only one eye, it may be that your focusing is significantly different between your two eyes. However, if glasses of 1.5 diopters are helpful, usually a contact lens of a similar strength will be equally helpful.
It might be worth consulting your eye doctor again with regard to the best contact lens prescription and mentioning that you had found that a certain strength of reading glasses worked quite well for you. Please contact us if you have further questions.
Question from Tennessee
The most likely cause of your symptoms is an imbalance in the muscles moving your two eyes, which may have been caused by damage to one of the nerves in your car accident. If this is still present after three years, it may well be permanent. A prism correction in your glasses can be helpful but it is frequently true that the problem differs depending on the direction in which you look while the prism is the same in all directions. There are surgical procedures, which can help to rebalance the eye muscles, though frequently they are not able to alleviate the problem completely. A specialist in eye muscle surgery (strabismus) would be able to give you advice on the type of surgery that may be beneficial and the likely degree of improvement.
Question from the USA
It sounds like your friend's optic nerve problem could be best evaluated by a neuro-ophthalmologist. Usually a specialist in this area can be found at your local University Eye Center or by consulting your local or State Ophthalmology Society. Please contact us if you have further questions.
Question from London
Elevated intraocular pressure caused by an injury can be very difficult to control. This form of glaucoma may respond to eye drops or oral medication, but frequently requires surgery. It appears that your brother's doctors have been working diligently on this problem. If he is interested in additional information, a glaucoma specialist in your area should be able to give you some advice. Your local Ophthalmology Society could refer you to some specialists in the area. Good luck with your brother's treatment.
Question from New Jersey
Puffy eyelids usually result from inflammation in the lid. This can be the result of allergies, although it is usually accompanied by itching when that is the case. It can also be the result of swelling in the oil glands in the eyelid. Frequently a hot compress on the eye used at night before bed and in the morning on arising may be beneficial if done regularly over a period of time. If this does not help, a comprehensive evaluation by an eye doctor would be indicated to determine whether any other cause is present.
Question from New Jersey
Unfortunately prescribing glasses is often not as scientific as all of us would like. The devices used to measure the prescription in an examination room may be somewhat misleading when the results are applied to a pair of glasses used in normal every day activities. Fortunately this does not happen very often, but there are certain situations in which it can occur commonly. While I do not know for sure what the source was in your case, many people find changes in their astigmatism correction to be uncomfortable even if they appear to make them see better on an eye examination. Similarly, far-sighted people may find that a newer or "stronger" prescription is not comfortable, even though it seemed to improve vision when the eyes were tested. If your older lenses are comfortable, certainly the most expeditious and wise course is to continue with them. If you wish to know more specifics about your situation, you may wish to ask your eye doctor.
Question from Tennessee
Unfortunately damage to the optic nerve is generally irreversible at our present level of knowledge. While research is being done with nerve regeneration, as yet, there have not been any practical applications to optic nerve damage, of which I am aware. However, this research is ongoing and there may be new developments in the relatively new future. Similarly, however, I do not know of any surgery that can help with optic nerve damage. A neuro-ophthalmologist could give you additional information about your son's specific situation and any treatment that might be possible.
Question from Arizona
Removal of scar tissue in the retina has advanced greatly in the recent past. However, there are certain types of scar tissue that cannot be successfully removed or may be much more difficult to treat surgically. In order to evaluate a specific situation of retinal scarring, a consultation with a retinal specialist would be the most appropriate course of action. Usually your local university will have specialists in retinal surgery on the faculty and you might be able to get specific information about your case from them.
Question from the United States
Oral antibiotics can clear up active infection in the tear duct quite effectively. However, many of the episodes of conjunctivitis result from back-up of bacteria that are unable to drain through the tear duct. This type of infection is somewhat less susceptible to oral antibiotics. In general, surgical treatment begins with probing or irrigation of the tear duct. If this is ineffective, a silicone tube can be implanted for some time in an effort to maintain the flow through the tear duct. Finally, if that is unsuccessful or the passageway has closed completely, it may be necessary to open a new passage in a procedure caused a dacryocystorhinostomy. Please contact us if you have further questions.
Question from New Jersey
A typical flash-burn cannot occur from an infrared light. Flash-burns always occur from the ultraviolet rays associated with certain types of welding processes. However, infrared heaters can create dryness and irritation on the surface of the eye, which may give milder, but similar symptoms. Often this can be prevented by avoiding contact with the heater, or using additional lubricating eye drops, generally, even if there is discomfort from such exposure, there is no damage to the eye that results from such a heater.
Question from Maryland
"Crimped blood vessels" does not be itself indicate any damage or disease in the eye. Changes in the configuration of the blood vessels can occur in many diseases, but the pattern of the blood vessels in the eye varies greatly among individuals. This may have been a comment describing the appearance, but not to indicate any cause for concern. However, in order to know for sure, it would be wise to consult the doctor specifically.
Question from Ohio
The "petal flower" you refer to is most likely cystoid macular edema. This is a swelling in the center of the retina, which can result from a number of causes. However, it is common that in patients with intraocular inflammation, the retina may become swollen, leading to blurry vision. The pattern of the swelling can look like a flower when an angiogram is performed, and the medical term, cystoid macular edema, describes the cysts that are present in the retina.
If this is indeed the condition you have, it is most likely due to your uveitis and the treatment recommended is the best course of action. If you have further questions, please do not hesitate to contact us.
Question from Connecticut
Long hours of use of your computer can be fatiguing for the eye, but does not cause any permanent damage to the eye. Generally eyes get tired because of the focusing effort required when looking at a screen for extended periods. Sometimes these symptoms can be alleviated by taking breaks, staring in a different direction, and avoiding glare off the screen and awkward positions of gaze. However, there is no need for concern about permanent harm to the eye.
Question from Florida
The inheritance of eye color is a complicated and difficult to predict phenomenon. Most experts believe it is "multifactorial", meaning that it cannot be completely explained on the basis solely of dominant and recessive genes. However, the best current information and predictive statistics can be gained from most genetics textbooks.
Question from Missouri
The condition you describe is almost certainly unrelated to macular degeneration. Most likely your eye responded to something irritating and developed an allergic type of reaction. The swelling and itching, as well as the redness and fluid are consistent with this situation. If the problem has resolved and you have no further symptoms there is likely no need for further evaluation or treatment. However, if this recurs or has not completely resolved, it should be evaluated by an ophthalmologist.
Question from Virginia
Clear fluid filled "blisters" or cysts inside the eyelid are not a cause for concern, as long as no other eye symptoms occur. Usually they are cysts in the mucous membrane, which may result from allergies or irritants or may occur for no reason at all. Frequently they disappear on their own and sometimes eye drops can be used to help eliminate them. If there is no blurred vision, itching, eye pain or redness, generally no treatment is necessary. Please contact us if you have further questions.
Question from Alabama
Vision correction surgery has improved greatly, but there are still situations in which the visual outcome is not as good as the patient and the surgeon would like. Furthermore the occasional incidence of complications such as scarring or unpredictable healing can interfere with ideal results from surgery. While your odds of getting excellent vision after laser corrective surgery are very, very good, a person who relies primarily on one eye would be well advised to consider the issue very carefully before embarking on surgery. I believe this is the advice your eye doctor has given you.
Please consider consulting the information offered on EyeSearch., as well as some surgeons in your area who perform laser corrective surgery. Balancing the chance of a surgical outcome that is not ideal vs. is the potential benefits of surgery in your case is difficult, but should rest largely on the degree to which you feel that elimination of glasses or contact lenses is a strong motivating factor for you. Good luck.
Question from Florida
Question from the United Kingdom
**Thank you for your question regarding sports eyewear. There are several companies that provide what you are looking for - Liberty Optical has "Sports &Swim"
Question from New York
**Thank you for your question. There have been vast improvements in lens materials. Yes, it is possible for you to wear thin frames using these new materials. However, with your prescription, you should go with a smaller eye size to reduce thickness even more. Eye size refers to the width of the frame on one side measured in millimeters. A frame consists of 3 measurements- the eye size, the bridge size and the temple length. You should look for a eye size of 50mm or smaller. Regarding the lenses, 1.60 high index lenses with anti-reflection coating will give you the best appearance. Just make sure your eye is in the center of the frame and rimless frames are not recommended. Please let us know how you like your new glasses. Best Regards.
Question from Illinois
**Thank you for your question regarding what the numbers mean on an eyeglass prescription. You can find the information you are looking for on EyeSearch. http://www.eyesearch.com/eyeglasses.htm
Question regarding eyeglasses
**For glass lenses, hair spray & oven cleaner can have adverse effects. For plastic lenses, acetone can be destructive.
Question from Tennessee
As mentioned on EyeSearch., about 7% of males are red/green colorblind. Unfortunately there is no known treatment for this condition. However, it is common, as mentioned, and any book on genetic conditions or on color blindness specifically should give you more information. There may also be additional information on the web under color blindness. I hope you can find what you seek. Please contact us if you have further questions.
Question from Donna
In the eye the light rays are focused much like they are by the lens of a camera. This means that the curvature of the cornea and the lens bends light rays from the top of an image toward the bottom of the retina and light rays from the bottom of an image toward the top of the retina. This makes the image in the retina upside down. However, because of the way in which these retinal nerve cells are connected to the brain, there is no confusion in interpreting the image.