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A lamellar macular hole is a sharply circumscribed, partial-thickness defect at the macula. Possible causes include cystoid macular oedema, solar maculopathy and aborted macular holes.
Symptoms
Blurred vision metamorphopsia occasionally central scotoma.
Signs
Moderate to severe loss of acuity (often 6/60 or worse) is expected with a large macular hole:
? Stage 1A: The first signs of foveal detachment ('impending macular hole',) are loss of the foveal depression and the appearance of a yellow spot at the fovea, thought to be xanthophyll pigment. The yellow spot becomes a ring (Stage 1B) as the photoreceptors separate. This stage often corresponds with the onset of visual symptoms
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