Ptosis is a condition where the lids droop. This can be congenital or acquired. it may occur after cataract surgery and the
reason for this is not fully understood. Surgery may be needed to raise them. It is important to determine whether the
muscle or nerve is responsible for the ptosis. With nerve problems, medication and not surgery may be indicated. With muscle
problems, surgery is usually successful. The type and extent of surgery is determined by the amount of residual muscle tone
and the amount of correction needed. Most lid surgery is considered cosmetic. When vision is affected and this can be
documented, then surgery can be considered medically necessary to restore function.
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