It has been suggested that Müller muscle conjunctival resection might not be a good procedure for the treatment of blepharoptosis in patients with less than optimal levator function. This case series includes four eyelids (three patients) that had fair preoperative levator function (4 to 8 mm) and good response to phenylephrine. The mean preoperative levator function was 6.25 mm and the mean amount of resection was 10.25 mm. The mean preoperative marginal reflex distance was -0.50 mm and the mean postoperative marginal reflex distance was 3.38 mm. Müller muscle conjunctival resection may be effective for treating patients with fair levator function and satisfactory response to phenylephrine.
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