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Treatment of Squint
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Total or partial opacification of transparent lens of the eye is termed as cataract. Such opacification essentially occurs in old age but it can occur in children or young age due to diabetes, trauma, congenital causes, use of steroid drops in the eyes or secondary to glaucoma.
Cataract affects vision depending upon its degree and location. Very slight cataract at the posterior pole can obstruct central vision and cause marked glare blindness or inability to read small letters whereas, cataract in the cortical area may take long time to affect vision.
Treatment: no medicines can cure cataract. Once it occurs, it has to be operated.
When to get operated?
When you are professionally blind or unable to carry out your routine duties/work. A driver or a watch repairer has to operate very early due to glare blindness whereas an old lady can wait for some time. It is ideal to get the surgery done with immature or early cataract than to wait for the cataract to get mature. A mature or hypermature cataract is difficult and risky to operate.
Phacoemulsification with ultrasonic rays is the modern method os surgery. You get only 2-3 mm of an incision, no sutures. The lens is emulsified and aspirated and a foldable IOL (lens) is injected by a syringe which unfolds and occupy the same space as your original lens. 10 minutes surgery with practically no pain. This lens lasts for a life time and gives you youthful vision.
The surgery can be performed even in patients with diabetes or hypertension and at any age. Maybe 90-100. Practically no post-op restrictions.
I am 24 years old male and have eye sight 2.5 and 2.7 and am using contact lens but am thinking about to have lasic lazer opperation? and question is what are advantages for lasic? and this opparation is for perminent solution for sight? please explain dr.
Sit main night mein sone ke baad mrng mein jaata hu to meri both eye niche puffy ho jaati hai. Iska kya reason hai. Meri eye 6/6 hai. Mujhe koi medicine bataye. Main ngt duty weak mein 2 days karta hu. Thanks.
The cornea is the transparent layer of the eye that acts as a protective shield. The cornea, in combination with the sclera, protects the eyes from various harmful microorganisms and particulate matter, including the harmful UV radiations (to some extent). The cornea is made up of three important layers, the Endothelium, Stroma, and the Epithelium.
- Endothelium: The inner layer of the cornea, the endothelium helps to maintain a clear vision by removing the excess fluid absorbed by the stroma. The mitochondria-rich single celled layer functions more like a pump.
- Stroma: The middle corneal layer is extremely thick (~90% of the total corneal thickness) and composed mainly of proteins and fluids. Like the endothelium, the stroma, too, plays a pivotal role in the normal eye vision.
- Epithelium: Being the outermost layer, the epithelium functions as a defensive shield, protecting the eyes from harmful germs, bacteria and any matter that can harm the eye. Most importantly, the epithelium absorbs the essential nutrients and oxygen (present in the tears). The cornea, thus, plays a pivotal role in the normal vision of the eye. However, an injury or an infection can interfere with the corneal functioning, affecting a person's vision as well as giving rise to other complications (the eyes may appear itchy, watery and red. There may also be light sensitivity).
Some of the common cornea problems include
- Keratitis: Injury or microbial (bacteria, virus or fungi) infiltration of the cornea can trigger this condition resulting in corneal infection and inflammation. Some of the symptoms characteristic of keratitis include extreme light sensitivity, blurred vision. The inflammation can also result in redness, pain (moderate to severe) and watery eyes. Antifungal, antiviral or steroidal eye drops may provide relief from the associated symptoms.
- Shingles (Herpes Zoster): This condition mainly affects people who have suffered from chickenpox. In some cases, the virus though inactive may still be present in the body (in the nerves). However, at a later period, certain factors may trigger its activation. Once active, the virus can affect different parts of the body, including the cornea. Shingles can cause corneal soreness and inflammation. Old people and those with a weak immunity are more likely to suffer from shingles. People with shingles may benefit from the administration of steroidal (tropical) and antiviral eye drops.
- Ocular Herpes: This is a viral infection triggered by Herpes Simplex Virus I (HSV I) or Herpes Simplex Virus II (HSV II) resulting in herpes of the cornea. The condition gives rise to corneal inflammation and sores. Here too, the patient can get some relief by using antiviral or steroidal eye drops.
- Keratoconus: This is a degenerative disorder of the cornea that results in thinning of the cornea. The condition can also alter the corneal shape, resulting in swelling, pain, and loss of vision (partial to complete, particularly the night vision).
- Fuchs' Dystrophy: This is a corneal dystrophy whereby the corneal endothelial cells break down at a slower rate than usual. As a result, the stroma may be waterlogged resulting in swelling and blurred vision.