Sir,

During degenerative myopia, a congenital scleral weakening determines progressive globe enlargement, axial elongation, and formation of posterior staphyloma. In his series of 250 highly myopic patients, Curtin1 has classified the posterior staphyloma in 10 groups: type 1, localized to the posterior pole; type 2, involving the macula; type 3, peripapillary staphyloma; type 4, nasal staphyloma; type 5, inferior staphyloma; and types 6–10, mixed staphyloma. Posterior retinal detachment without macular holes has been recently described in high myopia with optical coherence tomography (OCT).2, 3 The causes of the macular detachment have not yet been clearly elucidated, although vitreal traction and myopic stretching of the eye seem to play a major role in the pathogenesis. Visual acuity may range from counting fingers to 20/20. The recently introduced OCT ophthalmoscope provides coronal OCT scans (OCT C-scans) of the retina.4, 5, 6

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