India, Oct. 15 -- Good vision is often taken as proof that the eyes are healthy. However, according to ophthalmologist Dr Rishi Bhardwaj, it is not always a safe assumption.

"Several eye conditions can develop quietly, without pain, redness or a noticeable change in eyesight. By the time a person notices difficulty seeing, damage may already be established," he shared with HT Lifestyle.

He noted that this is why a routine eye examination should be seen as more than a test for spectacles. It can help detect disease before symptoms become apparent. He went on to explain the conditions that can develop without apparent warning signs, which are presented as follows.

Glaucoma is one of the clearest examples of a condition that can remain un...