Corneoscleral epithelial cyst is a rare clinical condition, which can be developmental
or can follow ocular trauma. A 35-year-old male presented with painless progressive
visual loss with gradually progressive corneal opacity in the left eye for more than
10 years. He had a history of trauma by stone particles while grinding before onset
of the symptoms. He had no complaints in the other eye and not undergone any treatment
for the pathology. His best-corrected visual acuity was counting fingers in his left
eye and 20/20 in the right eye. Intraocular pressure was 12 mm Hg and 14 mm Hg in
the right and left eye, respectively. Slit-lamp examination revealed an intrastromal
corneal cyst involving middle and inferior portion of cornea obscuring the pupillary
axis and extending into an intrascleral cyst inferiorly (Figure 1A and 1B). The cyst was renitent and immobile. The stroma outside the cyst margin was clear.
Corneal vascularization or any signs of trauma was absent. Although difficult because
of the corneal cyst, the rest of the anterior and posterior segment examination were
normal. Anterior segment optical coherence tomography (AS-OCT) revealed the cyst cavity
deep within the corneal stroma (Figure 1C), which was connected to the intrascleral cyst (Figure 1D). The patient had refused any surgical intervention.
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Article Info
Publication History
Published online: August 19, 2021
Accepted:
July 16,
2021
Received in revised form:
June 18,
2021
Received:
May 13,
2021
Footnotes
Can J Ophthalmol 2021;00:000–000, S0008-4182(21)00290-8/$-see front matter © 2021 Canadian Ophthalmological Society. Published by Elsevier Inc. All rights reserved. http://dx.doi.org/10.1016/j.jcjo.2021.07.008
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Copyright
© 2022 Canadian Ophthalmological Society. Published by Elsevier Inc. All rights reserved.
