Ptosis as defined as drooping or falling of upper eyelid and its classification is as follows: Simple ptosis Ptosis associated with deformities of lids and blepharophimosis Ptosis associated with varying degrees of ophthalmoplegia Ptosis associated with synkinesis movements of is and jaw known as synkinetic ptosis Sympathetic ptosis associated with congenital sympathetic palsy Periodic ptosis associated with cyclic oculomotor spasm Intermittent pseudoptosis associated with Duane retraction syndrome In most of cases ptosis patients might have gone blepharoplasty and canthoplasty and case modality of surgery is levator resection either from lid or conjunctival side. Sling operation is done in severe forms of ptosis.
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