What is Lag-Ophthalmos? | Etiology | complication | treatments
Lag-Ophthalmos This condition is characterized by the inability to close the eyelids voluntarily. Physiologically some people sleep with their eyes open (nocturnal lagophthalmos). Etiology It occurs in patients with paralysis of orbicularis oculi muscles facial nerve palsy CN VII, Cicatricial contraction of the lids, Symblepharon - adhesion of eyelid to eyeball severe ectropion - eyelid turns outward Marked proptosis Eyelid scarring Myxo-edema - hypothyroidism in adults Following over-resection of the levator palpebrae superior muscle for ptosis, and in comatose patients. Due to lack of blinking xerosis of the conjunctiva. Physiologically some people sleep with their eyes open (nocturnal lagophthalmos) in healthy individuals. Clinical features It is characterized by incomplete The Closure of the palpebral aperture is associated with features of the causative disease. Complications Normally the cornea is covered by eyelids during sleep and is constantly kept mois...
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