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Superior limbal trabeculectomy remains a common surgical treatment for glaucoma. Positional effects on the overlying upper eyelid-both ptosis and retraction-have been associated with the procedure. More than 1 mechanism may explain retraction; however, the eyelid may elevate mechanically due to the underlying raised superior bulbar conjunctiva.
The Gavin Herbert Eye Institute, University of California, Irvine, California, U.S.A.
Full article12.8.1 Without tube implant (Part of: 12 Surgical treatment > 12.8 Filtering surgery)
2.1 Conjunctiva (Part of: 2 Anatomical structures in glaucoma)