Additionally, the orbicularis muscle can be damaged or weakened by surgery and lead to poor eyelid closure. Too much skin removed from the upper or lower eyelids during surgery or ptosis overcorrection can lead to lagophthalmos. Patient with paralytic poor lid closure.Ĭosmetic surgeries such as upper and lower blepharoplasty or ptosis repair can also cause eyelid malposition. Moderate ectropion involves a step-off of the eyelid from the globe and severe ectropion can be seen as frank eversion of the tarsus eyelid (Figure 1).įigure 7. Mild ectropion can be seen as a subtle eversion of the lower eyelid margin outwards. Below are some important tests to consider.īegin the external examination by looking at the position of the lower eyelids for any evidence of ectropion, entropion, or scleral show.
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