%0 Journal Article
%T Anterior segment optical coherence tomography for superficial keratectomy.
%A Wang ZW
%A Yin XF
%A Wang CX
%A Wang HZ
%A Zhou SY
%J Photodiagnosis Photodyn Ther
%V 48
%N 0
%D 2024 Jun 12
%M 38871017
%F 3.577
%R 10.1016/j.pdpdt.2024.104237
%X <B>OBJECTIVE: </B>To report the use of anterior segment optical coherence tomography (AS-OCT) for superficial keratectomy (SK) in anterior corneal opacity.<BR><B>METHODS: </B>The characteristics of 43 eyes (39 patients) with various lesions responsible for anterior corneal opacity were included in this retrospective non-comparative study. AS-OCT was performed on all eyes before surgery. The thickness of corneal opacity and the underlying healthy stroma were measured. SK was performed on each individual.<BR><B>RESULTS: </B>Four types of anterior corneal opacity were evaluated, including corneal degeneration (26/43), Reis-Bücklers corneal dystrophy (8/43), alkali burn (1/43) and corneal tumors (8/43). Based on AS-OCT images, all eyes showed abnormal hyper-reflective signals in the superficial cornea to less than one-third of the normal corneal thickness in the deepest corneal opacity. All 43 eyes underwent an SK procedure. In addition, 1 eye with alkali burns and 7 eyes with corneal tumors were combined with amniotic membrane transplantation. All eyes restored transparency without significant complications.<BR><B>CONCLUSIONS: </B>AS-OCT is a valuable method for objective preoperative and noninvasive assessments of anterior corneal opacities and is useful for guiding SK.