The ocular globe is covered anteriorly by the eyelids, which, when closed, occlude the palpebral rim. When the lids are open to their normal position, the whole iris is visible through the cornea except for a small portion of its upper ciliary margin. The upper border of the lower lid is practically tangential to the lower ciliary margin of the iris, with no sclera showing between the two (Fig. 2.1A). At times the upper border of the lower lid can cover a portion of the iris (Fig. 2.1B).
KeywordsDepression Rine Myopia Exophthalmos Ectropion
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