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Cosmetic iris implanting, laser pigment removal, keratopigmentation: these new surgical techniques promise what was once in the realm of fiction - but they come at considerable cost Ever fantasised about swapping your eye colour without the hassle of contact lenses? The dream of permanently changing eye colour has not been science-fiction since eye-colour surgery became a reality - but it's a far cry from being a safe beauty hack. Unsurprisingly, eye-colour-change surgery - which includes methods such as cosmetic iris implantation, laser pigment removal and keratopigmentation - is among the riskiest eye surgeries one can undertake. Despite its growing popularity among social media stars, the reality behind the various procedures is far from glamorous. With a price tag of around US$12,000 on average and the possibility of serious complications, including blindness, partial vision loss, glaucoma and corneal damage, this sort of eye surgery is no casual beauty fix. And don...

AI tools can help analyse retinal images to detect signs of glaucoma, and warn people about impending health risks for related diseases, experts say India is turning to artificial intelligence in a bid to curb the silent spread of glaucoma, a degenerative eye disease that threatens to blind millions amid acute shortages of trained specialists and uneven access to care across the country. About 12 million people in India are thought to have glaucoma, according to various estimates, with about 1.2 million suffering from blindness related to the disease, accounting for 5.5 per cent of all blindness cases nationwide. The disease damages the optic nerve, often without noticeable symptoms, leading to loss of vision if left untreated. The condition's asymptomatic nature makes early detection challenging, as patients often assume their vision is normal even as nerve damage is already taking place. Do you have questions about the biggest topics and trends from around the world? G...