Defocus Curve of Emerging Presbyopic Patients.

ABSTRACT:

Purpose

To create a defocus curve of emerging presbyopic patients of various age groups.

Setting

Single site private practice in Sioux Falls, South Dakota.

Design

This was a non-randomized, prospective study. All subjects were enrolled from healthy volunteers.

Methods

Subjects aged 37-9, 40-42, 43-45 and 46-48 that have 20/20 best-corrected distance visual acuity (BCDVA) were included. Binocular visual acuity at different defocus steps ranging from +0.5 D to -3 D was measured in each age group. Defocus curves were generated from the mean logMAR visual acuities at each defocus step, by age group.

Results

Of the 60 subjects, 23.3% of subjects were between the ages of 37-39, 26.7% were between the ages of 40-42, 25% of subjects were between ages 43-45, and

SUBMITTER: Shafer BM 

PROVIDER: S-EPMC10022518 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature