Vision-Related Parameters Affecting Stereopsis after Retinal Detachment Surgery
Fumiki Okamoto1, Tomoya Murakami1, Shohei Morikawa1
1Department of Ophthalmology, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba 305-8575, Japan.
Journal of Clinical Medicine
|February 25, 2023
Summary
Postoperative stereopsis impairment after retinal detachment surgery is linked to visual acuity, contrast sensitivity, and aniseikonia. Different tests reveal varying factors affecting depth perception after successful retinal detachment repair.
Area of Science:
- Ophthalmology
- Vision Science
- Retinal Surgery
Background:
- Successful retinal detachment (RD) surgery often results in suboptimal stereopsis compared to healthy individuals.
- The specific visual dysfunctions contributing to impaired postoperative stereopsis remain unclear.
Purpose of the Study:
- To identify visual dysfunctions responsible for stereopsis impairment after unilateral RD surgery.
- To analyze the associations between stereopsis and other visual functions post-surgery.
Main Methods:
- 127 patients with unilateral RD underwent successful surgery.
- Postoperative assessments at 6 months included stereopsis (Titmus Stereo Test [TST] and TNO stereotest [TNO]), best-corrected visual acuity (BCVA), metamorphopsia, letter contrast sensitivity, and aniseikonia.
- Multivariate analysis with stepwise regression and subgroup analysis were performed.
Main Results:
- Postoperative stereopsis (log) was 2.09 ± 0.46 (TST) and 2.56 ± 0.62 (TNO).
- TST was associated with BCVA; TNO was associated with BCVA, contrast sensitivity, metamorphopsia, and aniseikonia.
- In patients with more impaired stereopsis, TST correlated with BCVA, while TNO correlated with contrast sensitivity and aniseikonia.
Conclusions:
- Postoperative stereopsis deterioration after RD surgery is multifactorial.
- The TST is primarily influenced by visual acuity, whereas the TNO is affected by contrast sensitivity and aniseikonia.
