Ocular biometry characteristics in cataract surgery candidates: a cross-sectional study.

Med Hypothesis Discov Innov Ophthalmol

Rehabilitation Research Center, Department of Optometry, School of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran.

Published: May 2021

Background: This study was conducted to investigate ocular biometry parameters in cataract surgery candidates in northern Tehran, Iran using OA-2000 biometry device.

Methods: In this cross-sectional study, values of ocular biometry parameters, including axial length (AL), anterior chamber depth (ACD), mean corneal curvature (mean K), lens thickness (LT), corneal astigmatism (CA), and white-to-white (WTW) of 818 eyes with cataracts, were measured using the OA-2000 biometry device (Tomey, Nagoya, Japan). The participants were divided into si age subgroups, in 10-year intervals. Finally, the values of the biometry parameters were calculated, and the trend of changes was examined for both age and sex subgroups.

Results: The mean (standard deviation [SD]) of age of the participants was 63.82 (13.25) years. Mean (SD) of biometry parameters were as follows: AL, 23.36 (1.55) mm; ACD, 3.09 (0.40) mm; LT, 4.45 (0.55) mm; mean K, 44.51 (1.72) D; CA, 1.06 (0.94) D; and WTW, 11.81 (0.45) mm. Most of the parameters showed significant age-related changes in the total population. There was an increase in LT ( < 0.001) and mean K ( = 0.001), as well as a decrease in AL ( < 0.001) and ACD ( < 0.001) with age. Moreover, AL had a negative negligible correlation with LT (r = - 0.24; < 0.001) and mean K (r = - 026; < 0.001), as well as a weak positive correlation with ACD (r = + 0.44; < 0.001).

Conclusions: Our study revealed that the mean values of most biometric parameters varied across age and sex subgroups. Moreover, most of the parameters showed significant age-related changes in the total population.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10460215PMC
http://dx.doi.org/10.51329/mehdiophthal1416DOI Listing

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