ABSTRACT
Congenital ptosis is due to a dysgenesis of the levator complex with the levator muscle
being replaced by fatty and fibrous tissue. This dysfunction of the levator muscle
gives rise to the classic triad of findings in congenital ptosis, including ptosis
in the primary position, lagophthalmos in downgaze, and a poorly formed eyelid crease.
There are traditionally two ways to surgically correct congenital ptosis, levator
resection and frontalis suspension (by utilizing a myriad of both autogenous and synthetic
materials). Although frontalis suspension is the more utilized surgical option for
the correction of congenital ptosis, the complication rate due to the use of synthetic
materials is not insignificant. Many surgeons feel that the contour and appearance
of the eyelid following levator resection is superior to the frontalis suspension
technique. Thus, levator resection for congenital ptosis can be one of the most satisfactory
and physiologically normal of the ptosis procedures. Surgery for congenital ptosis
can however be unpredictable in outcome. We propose a modified technique for levator
resection as well as a newly designed and modified Berke ptosis clamp for levator
resection surgery. Postoperative results with the modified technique as well as clamp
have been very encouraging with excellent postoperative lid contour and height. The
author has utilized this clamp and modified technique in over 350 lid surgeries over
the past ten years.
KEYWORDS
Congenital ptosis - levator resection - Berke ptosis clamp
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Michael E AshenhurstM.D. F.R.C.S.(C.)
Clinical Assistant Professor of Ophthalmology
933 17th Avenue SW, Suite 344, Calgary, Alberta, Canada T2T 5K6