Blindness – How big is the problem?

Main causes of visual impairment are:

  1. Cataract
  2. Onchocerciasis (river blindness)
  3. Childhood blindness
  4. Refractive errors and low vision
  5. Diabetic retinopathy
  6. Glaucoma
  7. Age-related macular degeneration
  8. Corneal opacities
  9. Genetic eye diseases

According to estimates from the World Health Organization (WHO)

  • Globally, it is estimated that approximately 1.3 billion people live with some form of vision impairment.
  • With regards to distance vision, 188.5 million people have mild vision impairment, 217 million have moderate to severe vision impairment, and 36 million people are blind (1).
  • With regards to near vision, 826 million people live with a near vision impairment (2).
  • Globally, the leading causes of vision impairment are uncorrected refractive errors and cataracts.
  • Approximately 80% of all vision impairment globally is considered avoidable.
  • The majority of people with vision impairment are over the age of 50 years.

Source: World Health Organization

In India the current scenario and projected demand for cornea is

Current Keratoplasty 20000 per year
Vision 2020 by EBAI Management 1,00,000 per year – Keratoplasty Surgeries
Current Mortality Rate 10.2 million per year
As per 2011 Estimates 14 eye banks collected more than 1000 eyes

 

Statistics of Eye Donation – The table shows that data of eye donations across different states of India in the year 2012-13

Source: EBAI (Slideshare)

EBAI Utilization Data

Source: EBAI (Slide share).

 

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