JOURNAL ARTICLE
REVIEW

Biometry in cataract surgery: a review of the current literature

Majid Moshirfar, Benjamin Buckner, Yasmyne C Ronquillo, Daniel Hofstedt
Current Opinion in Ophthalmology 2019, 30 (1): 9-12
30394990

PURPOSE OF REVIEW: To review the literature in 2017 and 2018 pertaining to biometry for cataract surgery and report pertinent findings.

RECENT FINDINGS: New devices using swept-source ocular coherence tomography can measure axial length in dense cataracts more frequently than common biometers. Computer-assisted registration may be superior to intraoperative aberrometry for toric intraocular lens (IOL) placement. Soft contact lenses may not require removal as long before biometry as previously thought. The Barrett Universal II IOL formula has been found to perform well at all axial lengths.

SUMMARY: New swept-source ocular coherence tomography biometers are more frequently successful at measuring axial length in dense cataracts which promises to improve refractive outcomes. Accuracy in toric IOL placement is likely to increase with improved devices. It may not be necessary to have patients remove soft contact lens any more than 2 days prior to biometry. The Barrett Universal II IOL formula may be used confidently for most eyes. Advancements acknowledged, purchasing new equipment will not be necessary for all surgeons.

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