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Knowledge Bank




The human eye is much like a camera and similar to the camera the eye possesses a lens. The function of the lens is to filter and focus light entering the eye so that a sharp image is formed. Cataract is the condition where the normally transparent lens becomes cloudy or ‘opaque’.

The common symptoms of cataract are gradually progressing blurred and diminished vision.

Cataract represents a normal ageing process of the eye.

In spite of many claims made all over the world that cataract can be prevented or treated medically, the only treatment available in the world today is cataract surgery. The commonest technique is phacoemulsification. This is a modern, sophisticated surgery that involves removing the cataractous lens through a small incision. This is followed by placing an artificial lens in place of the human lens. This technique is blood-less, suture-less, takes a short time and does not require a long hospital stay.

In the modern scenario it is preferable to operate when the cataract is immature or ‘unripe’. If the cataract is left to ripen, it may give rise to other complications.

Background Diabetic Retinopathy

Are you a Diabetic if so?

When did you last get your eyes checked?

How can Diabetes affect your eyes?

Diabetic retinopathy, caused by changes in the blood vessels of the retina, is the most common chronic complication associated with diabetes.

Prevention and treatment

Remember Diabetes can affect your retina of the eye, even if your sugar levels are under control with medication, but of course it affects more severely if DM is not under control.

Ophthalmic surgery, particularly photocoagulation by laser, has enabled the progression of proliferative retinopathy to be substantially reduced and remains the most effective method of the prevention of early blindness in a diabetic retinopathy. Nevertheless it is vital that measures to prevent the development and progression of diabetic retinopathy are taken before the retina becomes involved beyond repair.

A strict control of sugar levels is very important in delaying the damaging effects of DM on the retina of your eyes.

Timely diagnosis can prevent loss of vision by laser treatment of diabetic retinal problem. If you are a diabetic, please see that a detailed retina test is done for your eyes every year. This little care will go a long way in preventing blindness.

The Wait for Better Vision Is Over

The Advanced CustomVue Procedure is ushering in a new era in laser vision correction by giving millions of people – including many who were once told they were not candidates – the opportunity to free themselves from glasses and contact lenses. There has been a laser vision correction procedure that offers the precision and accuracy of the Advanced CustomVue Procedure.

Since 2003, the Advanced CustomVue Procedure has continued to earn FDA approvals to treat the broadest range of vision imperfections possible, including mild to severe nearsightedness, farsightedness and all types of astigmatism.

An Individualized Treatment

During your personal consultation with your doctor, you will learn about the procedure and undergo testing that ensures you are a good candidate to receive the Advanced CustomVue Procedure.

One of the tests you will undergo is a WaveScanSystem examination, which creates a map of your eyes’ unique imperfections.

The Advanced CustomVue Procedure uses the digital information from that map to design a custom treatment for each of your eyes. VISX Iris Registration Technology, available only with the Advanced CustomVue Procedure, centers treatment correctly for more precise treatment. The one-of-a-kind approach and technical safeguards were designed to allow the Advanced CustomVue Procedure to achieve exceptional visual outcomes.

Glaucoma – A Slow and silent way to blindness

Glaucoma is a disease of the optic nerve, which carries the images we see, to the brain. Glaucoma causes raise in the eye pressure, and damages the delicate optic nerve, When damage to the optic nerve fibers occur, blind spots develop. These blind spots usually go undetected until the optic nerve is significantly damaged. If the entire nerve is destroyed, blindness results.

In its early stage, the patient is not aware of it and in the later stage when the actual complaints starts, already some damage, which is irreversible has taken place.

Glaucoma is fast emerging as a major cause of blindness in India. How can you outsmart glaucoma?

Step 1 : After the age of 40 years, an annual eye checkup which includes eye tension checkup is a must to detect any rise in the tension.

Step 2 : If you are a diabetic, the above test becomes more important because this eye problem is more common among diabetics.

Step 3 : Any eye complaints like

Headaches, with no other cause detected.
Sight problems not corrected with glasses
Recurrent red and painful eyes
Seeing colored halos around bulbs especially at night

Could be due to early glaucoma, don’t neglect them and consult your eye doctor.

What will u do?

1. It could be an infection of conjunctiva (madras eye or conjunctivitis), which will have lots of discharge


  • Clean your eyes with warm cotton balls.
  • Keep your bed sheets, pillow covers separate.
  • Put a plain antibiotic drops, which should be without steroids, if you are taking without consulting an eye doctor.
  • Go visit an eye doctor.

1. Redness of the eye could be due to allergy to dust or pollen, especially in children in summer Season, where itching will be more.


  • Mild anti allergy drops for a longer time are use full.
  • Do not rub your eyes.
  • Put a Wear protective glasses.
  • Strong steroid drops used indiscriminately can cause more damage.

1. It could be an inflammation of inner coats of your eyes where pain and decreased vision are also there. Please take immediate help from an eye doctor.

Dry Eye & Computer Vision Syndrome

What is dry eye?

Tears help your eyes to stay moist, healthy and comfortable. Dry eye is an eye condition that affects the quantity or quality of your tears causing your eyes to feel dry and irritated.

What causes dry eye?

There are many reasons why dry eye can occur. It may be age related, due to decrease in tear production as we age. It can be even a result of work habits such as spending too much time staring at computer screen (Computer Vision Syndrome) Dry eye also can develop from your environment and due to hormonal changes in women.

Dry eye is a treatable condition for most patients.

  • Tear supplements drops
  • Blink more often while staring at computer
  • Keep your monitor at eye level or little below never above it.
  • Wear protective glasses, while outdoors
  • Do not splash water inside your eyes.
Save your eyes from injuries
Common injuries

Save your eyes from accidents. The sparks from machines could inflict dangerous eye injuries. The particles released by powerful hammer blow could also injure the eyes. Stay away while such work is going on. Your curiosity can be dangerous.

A foreign body

This is perhaps the most common injury from an external source. These can cause pricking and pain as the lid moves over the body in a blink. An examination by a eye doctor with a microscope of very high magnification detects such a body. It should be promptly removed, and the eye bandaged after inserting an antibiotic ointment.

Accidental injuries from fireworks, explosions and explosives, acid and alkali blasts (cement and caustic soda)
Injuries from explosions of festival fireworks, and of construction works, and chemical laboratories require emergency first-aid as follows.

The eye is thoroughly washed with running water for seven minutes. The head can be put in a shower or under fast-running tap water. Most of the damage-causing explosives and chemicals are washed out. An antibiotic ointment is inserted and the eye is bandaged. The injured person should be sent to an eye clinic for emergency treatment without delay.

See them in Correct Perspective

See them in Correct Perspective, It is extremely important for those who wear glasses they know their correct use in their Routine life.

Why are glasses prescribed?

Parents of children who wear glasses should know that Glasses are not merely meant to make their children see better but also keep the eyes relaxed and Healthy and stop the vision from deteriorating any further.


1. Some people feel that wearing glasses in an indication of a dreadful eye disease. The commonest victims of this fear are parents whose children are advised to wear glasses by an eye specialist. Such a notion results from ignorance.
2. Some people do not put on glasses because they detract from their good looks this groups consists mainly of young college going girls and boys. They prefer to suffer headaches, eye strain and poor visibility but will not use glasses.
3. The third group comprises those who will readily put on glasses because they see and feel better. But they get very upset when they find the power of their glasses changing in due course. They expect that wearing spectacles will ensure that their power will not increase, or that it might decrease, that is not true.

Truth about spectacles fall in the following groups:

1. Nobody can nothing can (including diet, exercise, contact lenses, surgery) arrest the progression of myopia (short sight)
2. Eye exercise will not in any way help patients who need to wear glasses.
3. Wearing spectacles is not a sign of a serious disease.
4. Eyes that require (+) number are smaller than the normal while those that require (-) number are longer. Unless such eyes are provided with the artificial aid of spectacles, they do not focus the image; the child is constantly making unsuccessful attempts to see clearly. They blink their eyes, rub them off and on or make their eyes small, but are eventually overcome by headaches, watering and redness of eyes, depression and lack of concentration.
5. Only Lasik surgery can remove glass number after the age of 20 years, and only if the numbers are not increasing any more.

Pledge your eyes after death, that is the most precious gift you can give to a blind person, let me answer today the common queries about eye donation.
  • Eye donation is the voluntary donation of eye of a dead individual to a registered eye bank
  • The cornea of donated eye, used in corneal transplantation, can help a corneal blind person regain sight.
  • Eyes can be donated by any individual irrespective of the age, sex, religion, caste or race.
  • Eyes can be donated only after death and must be removed within 6 hours after death.
  • You need to inform the eye bank close to your house, soon after death.
  • The eye bank team would visit the house/hospital and perform the procedure of eye removal called “ENUCLEATION”. This takes about 20-30 minutes and the face of the deceased is not disfigured in any way.
  • The identities of both the donor and the recipient are kept confidential.
  • No religion is against eye donation.
  • Eye donation forms are available at our Centre, with details of your nearest eye bank.
  • By filling up the form you are just making your wish public, so that in any inadvertency, your family and friends are aware of your wish for eye donation, and the necessary phone call to the eye bank is made within the first 6 hours after death.
  • Go ahead, donate them, and hope to bring light in somebody’s dark life, after your death

Contact their Enucleation team will reach the place of deceased within 30-40 minutes.

For eye donation contact :: 22121255 / 22121253

Eye line :: 22235005

Tips for healthy eye sight

Our eyes help us experience various things in life. We view emotions, expressions and see the wonderful colors around us which in turn make us happier people. Without vision our life will be colorless. Hence, it is important for us to take care of our eyes.

  • 1. Sleep for at least 7 to 8 hours a day. Rest will refresh the eyes and help them work more efficiently.
  • 2. Do not rub your eyes for any reason but instead just blink. Blinking is a good massage and exercise to the eyes.
  • 3. Always use sunglasses during peak time of the day to protect your eyes from the harmful ultraviolet radiation present in the sun rays. Direct sun rays cause heavy damage to the eyes.
  • 4. Always use goggles while swimming. Water that get into your eyes may lead to allergies and infections.
  • 5. Drink at least 8 glasses of water in a day to avoid any kind of puffiness in the eyes. Drinking lots of water helps avoid dehydration and to flush out waste from the body.
  • 6. Do not splash water inside your eyes while washing your face, that will disrupt your natural tears.
  • 7. Vitamin A is vital for normal vision. Keeping a balanced diet, including foods like water melon, tomato, papaya, carrot and lots of green leaf vegetables can help avoid night blindness and other disorders related to the eye, which are mainly caused due to the deficiency of vitamin A. Don’t ignore small symptoms like redness, itching, watering and swelling of the eye. If not treated with care at the early stages, eye can suffer serious damage even leading to loss of vision. Do not self-medicate or resort to old prescriptions in times of discomfort in your eyes. Never use a opened eye drop bottle after 1 month..