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Ultralong-scan-depth OCT useful in identifying potential causes of PCO in highly myopic eyes
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Use of ultralong-scan-depth optical coherence tomography revealed weak posterior capsular adhesion and capsular bending in highly myopic eyes, which may increase the likelihood of posterior capsular opacification after cataract surgery, according to a study.
The prospective, observational study included 40 eyes of 40 cataract patients, of which 20 eyes were highly myopic and 20 eyes were emmetropic. All eyes underwent examination using a custom-built ultralong-scan-depth OCT device at 4 hours and at 7, 14 and 28 days following phacoemulsification.
Study results showed anterior capsular contact with the IOL was significantly delayed in highly myopic eyes; however, most anterior capsules attained spontaneous adhesion by day 28, according to the authors.
Complete apposition of the posterior capsule with the IOL was less common among highly myopic eyes compared to emmetropic eyes (four eyes vs. 16 eyes, P = .001).
Slight PCO was found in five highly myopic eyes and one emmetropic eye at last follow-up. Four of these patients displayed capsular bending with parallel adhesion.
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