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What is Which of the following is the earliest manifestation of retinal detachment: March 2008 and explain in detail?
Ans. C: Photopsia Symptoms of a shallow retinal detachment may be non-specific in the initial stages. Transient flashing lights (photopsia) in a paicular pa of the visual field, due to slight traction of the retina which irritates the neuro-epithelium, may be the initial symptom. Once retina breaks, there is release of pigment or a small hemorrhage which manifests as 'floaters' or small moving spots in the patients visual field. These float in the vitreous and cast a shadow on the retina (muscae volitantes).