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Keratoglobus: a close entity to megalophthalmos
#MMPMID27330900
Gupta N
; Ganger A
Springerplus
2016[]; 5
(?): 634
PMID27330900
show ga
BACKGROUND: Keratoglobus closely resembles buphthalmos and anterior
megalophthalmos. FINDINGS: A 45-year-old man presented with gradually
progressive, painless, diminution of vision in both eyes since childhood. On
examination, visual acuity of right (RE) and left eye (LE) was 20/60 and 2/20
respectively. Clinical pictures of the patient are shown in panel A, B, C, D.
Keratometry values were 46.47/47.94 D at 42/132° in RE and 46.90/47.23 D at
174/84° in LE, signifying steep, ectatic cornea. Axial lengths, anterior chamber
depth and corneal thickness in RE/LE was 23.53/27.12 mm, 5.18/4.48 mm and
413/420 ?m respectively. Iridodonesis was noted in left eye. Retinal evaluation
of LE revealed retinal detachment (RD) with posterior staphyloma due to high
myopia, hereas RE was within normal limits. Intraocular pressure was normal in
both eyes. Final diagnosis was keratoglobus with LE myopic RD. The patient
improved to 20/30 in right eye with no improvement in LE with scleral contact
lens. CONCLUSION: Keratoglobus, Megalophthalmos and Buphthalmos are exceedingly
close entities and it is very essential to make correct diagnosis, as management
options differ significantly for all three diseases.
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