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Dr. Rajeev Sudan talks about Glaucoma.
Hi, I am Dr. Rajeev. I am a consultant in Glaucoma Arch perfunctory surgery and Cataracts. Today I am going to talk about Glaucoma- a very important health issue. We must understand first, what Glaucoma is? Glaucoma is a condition in which the intraocular pressure of the eye doesn’t commensurate with its normal functioning.
Let’s talk about intraocular pressure and what intraocular pressure is? I’ll show you the diagram, the cut section of the eye. As you can see that eye is a hollow organ and so is to maintain its shape there has to be some intraocular pressure inside. This pressure is formed by the constant secretion of the fluid called aqueous and there is a constant ingress and egress which matches and maintains an intraocular pressure within a narrow range. Glaucoma is a condition in which the pressure of the eye increases and this increase in pressure effects the blood circulation to the optic nerve and as a result there is an optic nerve damage. This is how the vision of the eye is lost. This condition is called as Kala Motia. This is called Kala Motia because it’s a condition which silently destroys the vision and patient doesn’t come to know about it.
Glaucoma is a condition which doesn’t have any specific symptoms. There can be non-specific symptoms like heaviness of the eyes, frequent change of glasses, colored hallows round the eye, difficulty in moving around in dim light and in extreme cases you may have difficulty in walking around and missing objects in the periphery of eye. Glaucoma is a condition which can be hereditary if your parents or any of your siblings, sisters or cousins have suffered from Glaucoma then you have an increased high risk of developing Glaucoma late in your life.
If you are 45 and you have a family stay of Glaucoma, you must consult your ophthalmologist and get a screening for Glaucoma. The screen test involves testing your intraocular pressure. If the pressure is persistently beyond 28mm of mercury and the ocular findings are suggestive of Glaucoma, then we order certain special tests. The treatment is indicated if your pressure is persistently high and your visual feels or null fiber analysis shows abnormality. Open angle Glaucoma is a condition which is imminently treated with medication. We have very effective medicines available which can control intraocular pressure.
The surgery is needed only in cases where medicines cannot control intraocular pressure. In case you need any further information you can contact me through Lybrate or can contact me online through Lybrate.
My eyes always starts paining whenever I watch television more than two hours and water also starts coming from my eyes.
White sticky string like infection gomes in the eye. I am diabetic, hypertensive and have lost one eye to macular edema. Please suggest remedy.
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.
Hiii. I am 20 years old boy. I have red eyes last few days. Specially in night. When I wake up in morning my eyes become attach. What should I do please help.
I am suffering from cold and headache from last 9 days and colour of my eyes had become red and they itches and my nose is continuously flowing and it also itches.
Dry eyes problems 6 months ago till now doctor prescribed me Restasis and on tear gel. Iflomax too at night.
If you suffer from dry eyes, up your seafood intake. Salmon, sardines, and mackerel contain omega-3 fatty acids, which the body uses to produce tears, among other things. Research suggests that people who consume higher amounts of these fats are less likely to have dry eyes.