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Diabetic retinopathy is an eye problem that affects the retina of the eye and causes total and irreparable blindness. It usually occurs after 15 to 20 years of diabetes. Poorer the control earlier is the onset. Association of hypertension and increased blood cholesterol make the condition more serious.
In initial stages, there may not be any visual symptoms. Some patients may get macular edema marked with a decrease in the vision without exhibiting diabetic retinopathy.
Here is some important aspect of the disease that you should know:
Symptoms as the condition progress: you might experience blurred or fluctuating vision, impaired color vision, spots or dark strings floating in your vision, dark or empty areas in your vision and an even significant decrease in vision which is not corrected with glasses. Diabetes can cause early cataract formation (diabetic cataract) in the eye.
Causes: In an uncontrolled diabetic patient, the blood supply to the retina is decreased due to vascular constriction, in due course of time. This causes anoxia which promotes new vessel formation which may leak causing macular edema and or exudates. The newly formed vessels are fragile, can cause small projections (aneurysms) or may bleed. This all happens in the most sensitive central part of the retina (macula) thereby affecting vision to varying degree.
Advanced diabetic retinopathy: more edema, exudates, and hemorrhages occur. The newly formed vessels may profusely bleed in the cavity of the eye, seriously affecting vision. In due course of time, retinal fibrosis occurs which may cause retinal detachment and total blindness. Few eyes may develop an increase in intraocular pressure (glaucoma) at any stage of the disease, causing blindness even without advanced diabetic retinopathy.
When does the risk increase: longer the duration, higher the incidence. If you have an uncontrolled blood sugar ideally evaluated by hb1ac (glycosylated HB) test, hypertension and increased cholesterol. Pregnancy too increases the risk. Ethnicity plays an important role. More prevalent in native Americans, Hispanics and Africans and now some studies highlight incidence in southeast Asia, including Indians.
When should you consult ophthalmologist: once you are declared diabetic, you must consult an ophthalmologist. Thereafter as per his advice every one or two years or even early if your control is poor or if your parents suffered from advanced diabetic retinopathy. If you are pregnant, eye examination may be needed frequently. Remember, proper control of risk factors and timely examination and intervention can prevent you from becoming blind. A Recent introduction of oct evaluation & intravitreal therapy has significantly helped patients with diabetic retinopathy.
Sir I am a student of class 12 and my eye sight is weak I am wearing a spex what I should be take in my diet to control my eye number.
I have a vision problem, as I can't see a persons face clearly, one who more than 50 metre ahead of me. I think I had founded this 3 years ago. Is there any option to get my old vision (normal vision) back.
Hi I wana know that what is the symptoms of joindics because from few day I have feel that some yellowish is in mine eyes.
I am a myopic patient and my eye power increasing gradually. I want to fix this big problem with some surgery like LASIK or laser etc. I want to know what is cost of surgery, good hospital names and surgery limitations also. My recent eye power is (–3.5,–3.25). Can you please help me with this?
I am 30 years old my eyesight is too weak. My contact lenses number is -21 wht I have to do to increase eye vision.
I have red eyes. My pupil is red from outside and it pains. Irritation and watery eyes now I have. What should I do?
Glaucoma is a group of diseases that causes damage to your eye's optic nerve and gets worse over time. The optic nerve is a bundle of millions of nerve fibres which carry visual impulse from the retina at the back of eye to the brain. The increased Eye pressure, called intraocular pressure, can damage the optic nerve and fasten the natural nerve fibre loss. Since nerve cells can't regenerate this damage is permanent and irreversible.
Without treatment, glaucoma can cause total permanent blindness within a few years. Because most people with glaucoma have no early symptoms or pain from this increased pressure, it is important to see your eye doctor regularly so that glaucoma can be diagnosed early and treated before significant functional visual loss occurs.
If you are over age 40 and have a family history of glaucoma, you should have a complete eye exam with an eye doctor every one to two years. If you have any risk factors, you may need to visit your eye doctor more frequently.
What Are the Symptoms of Glaucoma?
For most people, there are usually few or no symptoms of glaucoma. The first sign of glaucoma is often the loss of peripheral or side vision, which can go unnoticed until late in the disease. This is why glaucoma is often called the "Sneak Thief of Vision" or "Silent Thief of Eye Sight".
If you have any of the following symptoms, seek immediate medical care:
- Seeing halos around lights
- Vision loss
- Redness in the eye
- Eye that looks hazy (particularly in infants)
- Nausea or vomiting
- Pain in the eye
- Narrowing of vision (tunnel vision)
There are several risk factors, which may lead to glaucoma, such as
- Age of the individual
- Ethnicity- African, Caribbean, Hispanics and Asians are at higher risk
- Increased eye pressure or IOP History of glaucoma in family or relatives
- Presence of Myopia or Hyperopia
- Previous eye injuries
- Use of steroids- as injections, tablets, eye or ear drops or ointments or protein supplements for muscle building in gyms or inhalers
- Previous history of anemia
- Individuals conditions affecting blood flow like hypertension, diabetes or high blood sugar, migraine etc are also at risk.
The treatment for glaucoma relies on the nature and seriousness of every case. Generally, glaucoma cannot be totally cured, but it can be controlled. Eye drops, pills, laser strategies, and means of surgery are utilized to maintain and prevent further harm from happening. Talk to your eye doctor to find out if you are at risk of developing glaucoma. If you wish to discuss about any specific problem, you can consult an Ophthalmologist.
An eye allergy or allergic conjunctivitis is a condition that strikes when certain substances irritate the eyes, which can cause a reaction. This reaction has varied symptoms starting from inflammation to watering and even redness and an itching sensation.
So how can you tell if you have an eye allergy? This article will tell you all you need to know!
- Causes: To begin with, this is an immune response that happens when the eye comes in contact with substances like dirt, grime, pollutants, pollen, nettle, pet hair, smoke, mold and more, which may cause irritation. These are typically known as allergens. The immune system takes these allergens to be invaders and begins attacking the same by releasing chemicals that cause these allergic reactions. Also, an eye allergy may be a symptom or outcome of other conditions like asthma, hay fever, or even eczema.
- Symptoms: The eye usually bears a pink or red appearance when the patient is suffering from an eye allergy. Also, watery eyes are a common sight during this condition while scaling around the eyes may also take place. Further, itching and burning sensation may be felt by the patient and swelling or puffiness can be seen. The symptoms may afflict one or both eyes. The patient may also have a runny nose or stuffy nose as well as nasal congestion.
- Difference between Eye Allergy and Pink Eye: Conjunctivitis or pink eye is usually caused due to bacteria or a virus that spreads infection in the eye. But eye allergy is caused due to a response of the immune system that leads to an allergic reaction. While the pink eye may be a contagious condition, an eye allergy is not.
- Diagnosis: The diagnosis of an eye allergy will be done with the help of various tests conducted by an ophthalmologist. The skin prick test will help in introducing allergens to find out if the spot gets raised or suffers from inflammation. Also, the doctor will check for other ailments like asthma and eczema.
- Treatment: There are varied methods of treating this condition. To begin with, the doctor may prescribe medication like decongestants and antihistamines as well as steroids for more severe and persistent cases. Also, injections may be prescribed in order to do away with the allergic reaction and eye drops containing olopatadine hydrochloride may also be used.
- Home Remedies: Staying away from allergens and using a warm and clean washcloth over the eyes, for a few minutes every day, may help in relieving the painful symptoms of the condition.
Do not forget to consult your doctor before you try any natural or home based remedies.