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Times of India
11, March 2010
By Umesh Isalkar
Pune, India

Glaucoma – a disease of the damaged optic nerve leading to progressive, irreversible loss of vision – is the second cause of blindness after cataract, say experts. What’s more, prevalence of glaucoma has risen to 17 per cent from earlier 12 per cent, from 2006 onwards, primarily due to increased detection methods, according to eye experts in the city.

“As per the Vision 2020 action plan of the World Health Organisation, the prevalence of glaucoma has increased to 17 per cent as against 10 to 12 per cent of total blind population from 2006 onwards. This is primarily due to the high number detection centres and grant in aid provided by the Union government in the 11th five–yea plan (2007–11),” ophthalmologist Col Madan Deshpande, chief medical director, H V Desai eye hospital told TOI.

Elaborating, Ashok Mahadik, district ophthalmic surgeon, said, “The chances of developing glaucoma after 40 years of age is quite high. Besides, people suffering from diabetes also has high chances of developing the ailment.” Other risk factors include raised pressure inside the eye (intraocular pressure), a positive family history, and so on, added Mahadik.

Elaborating on treatment methods, Deshpande said, “Primary open–angle glaucoma cannot be prevented, but acute attacks of primary angle–closure glaucoma and more chronic forms of the disease can be prevented by early detection, followed by laser treatment or surgery to the iris.”

“Glaucoma is the second cause of blindness after cataract,” said Tatyarao Lahane, an eye surgeon at the staterun J J hospital in Mumbai, who created a world record by performing 10,0000 cataract operations in his career.

As the early stages of all glaucomas are asymptotic, patients often present late. Once vision is lost, it cannot be restored, added Mahadik.

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(Source: Vision 2020 Action Plan (2006–2010): World Health Organisation)

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