Frequently Asked Questions (FAQ)

Common Questions in Your Mind Related Eye Problems


Eye donation.

1 The eyes have to be removed within six hours of death. So the nearest eye bank or eye collection centre must be informed immediately irrespective of the initial pledging of eye donation.

2 Eye removal takes only 10-15 minutes and leaves no scar or disfigurement of the face

3 Only the cornea is transplanted for all practical purpose and not the entire eyeball. However, other part of eye is used for research and education purpose.

4 Eye donation gives sight to two blind persons. One blind person is given one eye.

5 The donated corneas are transplanted to patients eye who are waiting list in accordance with the priority based on guidelines to avoid malpractices.

6 The eyes are never bought or sold. Eye donation is never refused


What are common eye symptoms amongst school going children?

1 Inability to see letter clearly.

2 Letters in a line may appear superimposed or zigzag.

3 Writing on the blackboard or cinema cannot be seen unless they are sitting very close.

4 Strain to the eye by continuous reading/working on computers/watching television causes headache, tiredness, pain or watering in the eye.

5 Unclear/blurred vision.

6 Inability to see objects clearly in dim light/night blindness.


Who can donate eyes?

Almost anyone at any age can pledge to donate eyes after “Death”. This can be done even if donor wear glasses, has cataract or has undergone eye surgery successfully


What is WHO definition of blindness?

For International comparison, WHO has defined blindness at the level of 3/60 or   inability to count fingers at a distance of 3 meters or 10 feet


What is the definition of blindness under NPCB?

The definition of Blindness under the National Programme for Control of

Blindnes (NPCB) is hereby modified  in line with WHO Definition :

“Presenting distance visually acuity less then 3/60(20/400) in the better

eye and limitation of field of vision to be less than 10 degrees from

center of fixation “. The nomenclature of the scheme is also changed

from ‘National Programme for Control of Blindness’ to

‘National Programme for Control of Blindness and Visual Impairment’ .


What are the reasons for prevalence of blindness?

1 The overall increase in the size of the population

2 The life expectancy for both males and females has steadily increased

3 A major proportion of aged population in rural areas have poor access to eye care facilities in India

4 Inadequate availability of trained health personnel. Further, the services of available ophthalmic surgeons in the country are not being adequately utilized. Many ophthalmologists are purely working in administrative jobs and similar proportion is posted at peripheral units with no ophthalmic equipment.

5 The poor nutritional status of mothers and young children predisposes the pre-school children to nutrition blindness. However, it is heartening to note that prevalence of nutritional blindness has decreased tremendously over the past few years

6 Adverse environmental conditions and domestic unhygienic conditions predispose to high infection rates

7 Lack of community awareness and poor health seeking behavior

8 The prevalence of myths and misconception about surgeries hamper the achievement of programme objectives


What are main causes of blindness in India?

Cataract: 62.60%

Refractive errors: 19.70%

Glaucoma: 05.80%

Posterior segment disorder: 04.70%

Surgical Complication: 01.20%

Corneal blindness: 0.90%

Posterior capsular opacification: 0.90%

Others: 04.19%

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