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Table 1 Clinical Features of CFEOM.

From: Clinical and surgical data of affected members of a classic CFEOM 1 family

Clinical Feature Frequency Observed
Restrictive Ophthalmoplegia (positive forced duction tests) Required
Congenital Required
Non-progressive Required
Inelasticity and decreased contractility of one or more extraocular muscles Required
Ptosis, unilateral or bilateral Very Common
Downward deviation of eyes and retroflexion of head Very Common
Normal pupillary function Very Common
Inexpressive Facies Very Common
Reduced visual acuity Common
Astigmatism Common
Nystagmus Common
Inelastic and fragile conjunctiva Common