article_snippet.sent: A few days later, A 77-year-old woman visited the opticians and was referred to see opthalmologist Mohit Gupta,  who works at Pilgrim Hospital in Boston, England.
article_snippet.sent: Mr Gupta scanned the patient's retina, using a relatively new technique known as optical coherence tomography (OCT).
article_snippet.sent: The case report into A 77-year-old woman's treatment, published by the journal BMJ Case Reports, reveals Mr Gupta discovered a hole in the patient's macula, a part of the retina that is responsible for around 90 per cent of a person's vision.
article_snippet.sent: A 77-year-old woman later underwent surgery to repair a hole in the patient's macula, a part of the retina that is responsible for around 90 per cent of a person's vision in the patient's macula, after two months of poor vision.
article_snippet.sent: It was eventually treated, via surgery .
article_snippet.sent: The operation involved removing the jelly part of the eye, which touches the retina, and injecting a gas bubble to push the layer at the back of the eye back together, Dr Dhillon said.
article_snippet.sent: Dr Dhillon added Dr Dhillon patient was 'quite fortunate in that only A 77-year-old woman retina was affected, and only in one eye'.