期刊
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
卷 19, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/ijerph19116716
关键词
refractive surgery; phakic intraocular lens; implantable collamer lens (ICL); accommodation; binocular vision; high-myopia and low-to-moderate myopia
This study aimed to evaluate the accommodative and binocular function of phakic intraocular lens ICL in high and low-to-moderate myopia. The results showed improvement in residual refractive error at 1 month after surgery in both groups. However, there was a significant decrease in the push-up amplitude of accommodation after 1 week and 1 month postoperatively, and no significant changes were found in other binocular measurements.
The aim was to evaluate accommodative and binocular function of phakic intraocular lens implantable collamer lens (ICL) in high and low-to-moderate myopia. Prospective comparative cohort study with 38 myopic patients who underwent ICL implantation were divided into two groups of 19 patients, each one based on the spherical equivalent (SE): high-power (SE <= -6 D) and low-to-moderate (SE > -6 D). The push-up amplitude of accommodation (AA), monocular accommodative facility (MAF), distance and near ocular deviation, near convergence amplitude, near point convergence (NPC), stereopsis, and accommodative convergence/accommodation (AC/A) ratio were assessed before surgery and 1 week and 1 month postoperatively. The mean residual refractive error at 1 month after surgery improved in both groups, 0.18 +/- 0.34 D and 0.09 +/- 0.26 D, respectively (p < 0.001). There was a significant decrease in AA in both groups between preoperatively and at 1-week (p = 0.001; p = 0.008, respectively) and 1-month follow-up (p = 0.001; p = 0.008). For the rest of the binocular measurements, no statistically significant postoperative changes were found in any group. This finding suggests follow-up studies on amplitude of accommodation in phakic intraocular lens ICL implantation.
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