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Hi I am rahul kumar and I have eyes problem I can't see properly I want to see all things what can I do? Please help me.
I am interested in joining navy but I have a high covered spectecles . Its about -2.5 will I be able to reduce my power. And how?
I can't read last line with my right eye clear from the board test of eyes What should I do now Suggest me the way to improve it.
I am 20 years old college student. I have a probal that when I study ay night trn water comes from my eyes. Please suggest me some tips.
I fell a black spot in left eye when I see any thing after the eye checking. Why? How we improved eye tightness?
I am 26 .I am married for 2 years. We did unprotected sex for 2 years. I did not take any precautions nor did he. Usually he used to bring out his thing at the time of discharge. I dint get pregnant anytym. Now as I want to conceive, I thot to consult a doctor for dos and do nots. Bt the doc, much to my irritation, only asked weather I take any precaution or not. She told me it is worrisome how you hvnt conceived yet if also your husband does not discharge within you. She has told me to do some test. So I want to ask is it really a danger?
Can we use contact lenses more than 1 month which is actually gave for just a month. If we use more than a month will be there any side effects?.
I am suffering from pain of head. When I study or watching t. V then eye pain also. Please give advise.
Undergone tests for laski operation from shroff hospital. Right eye no is 7 & left is 5. They suggested lasik operation bt m confused whether it would be safe or not.
I am 25 year old. My eyelids are feeling heavy for few days. Can not open them comfortably. please suggest some cure.
I have short sight eye problem. I have been using specs for 10 years. Can you suggest me any treatment to avoid using specs?
If period come than there is any chance. Of pregnancy 10aug we have contact 23rd aug se had period From 23rd to 27thAug.
Variety of contact lenses is used to correct refractive errors. Soft Contact (hydrogel) Lenses are most often used in various types of refractive errors but they have certain disadvantages. These lenses do not permit adequate Oxygen to pass through which is essential for health of cornea and hence they can be worn for limited hours, i.e 6 to 8 hours maximum and never while sleeping. The tear proteins get deposited on these lenses which limit their life to about a year. If worn for prolonged period or proper measures not taken to clean the lenses, cornea can get an ULCER which at times can result in permanent loss of vision. Disposable daily wear lenses provide safer alternative but the cost increases significantly. Since soft contact lenses are applied after cleaning with a solution which can be the cause of mild to severe allergic conjunctivitis which can become intolerable. Soft contact lenses are not ideal in eyes with high corneal astigmatism.
Merits of soft contact lenses are that they can be dispensed over the counter or purchased on line though it is not ideal. A correct curvature and power of a contact lens is determined by a contact lens specialist/ Ophthalmologist after measuring exact corneal curvature and using trial contact lens. Another merit is that these lenses can be accepted very easily since even on the first day they do not produce much of discomfort. These lenses can be worn off and on without any inconvenience. Recent introduction of Toric Contact Lenses have made them more acceptable in cases of moderate corneal astigmatism.
Breathing Contact Lenses:
These lenses are the one which permit significant amount of oxygen to pass through and hence can be worn for prolonged interval without any adverse effect on the cornea. These are of two types
- Semisoft or Extended Wear RGP Contact Lenses: These lenses are made up of FP 92 which is a semi rigid soft plastic and is highly permeable to oxygen. These lenses are excellent for high refractive errors, especially in patients who have high corneal astigmatism. Even cases with irregular cornea or Keratoconus, these lenses can be accepted with rewarding results. These lenses can only be fitted by an expert Ophthalmologist since precise measurement has to be carried out and various trial lenses have to be tried to evaluate the optimum fit. The lenses are made to measurement and the patient has to be precisely trained to fit the lenses and maintain them. As stated, the lenses can be safely worn while sleeping and there is practically no danger of corneal toxicity or infection. These lenses may last for 4-5 years. One of the demerits of these lenses is that they take 5-6 days to adopt and the patient is advised to use them regularly. They are excellent alternative to LASIK surgery.
- Silicon Hydrogel Contact Lenses: These are recent introduction of extended wear contact lenses with capacity to 'breathe' better than soft or hrdrogel contact lenses. Some of the recent Silicon Hydrogel Contact lenses introduced by Alcon and Bausch and Lomb can be worn for a week or so.
Silicon hydrogel lenses though indicated for prolonged wear but can cause mild keratitis and sometimes allergic keratitis if worn overnight. These lenses still needs lot of improvement to be free of complications
Advise: It is ideal to consult an Ophthalmologist specialized in contact lenses for fitting of a proper contact lenses. Advertised lenses some time misguide and can be damaging to the eye.