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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
The average distance of the fovea from the temporal margin of the optic disc is -
assistant
The correct answer is  Fovea centralis is the central depressed pa of the macula. It is about 1.5 mm in diameter and is the most sensitive pa of the retina. In its centre is a shining pit called foveola (0.35-mm diameter) which is situated about 2 disc diameters (3 mm) away from the temporal margin of the disc and about 1 mm below the horizontal meridian. Ref:comprehensive ophthalmology AK KHURANA page no :250