Related Experiment Video
Updated: Nov 2, 2025
05:46
Author Spotlight: Advancements in Refractive Surgical Correction for Presbyopia and Exploring Postoperative Visual Acuity
Published on: September 20, 2024
591
Evaluation of Eye Alignment before and after Cataract Surgery
Misae Ito1,2, Anna Saito2, Tetsuya Ikeda1,2
1Department of Ophthalmology, Graduate School of Medicine, International University of Health and Welfare, Tokyo, Japan.
Journal of Binocular Vision and Ocular Motility
|June 7, 2021
Summary
Cataract surgery generally maintains eye alignment, but vertical deviations preoperatively increase the risk of developing constant strabismus and diplopia post-surgery.
Area of Science:
- Ophthalmology
- Surgical Outcomes
- Strabismus Research
Background:
- Cataract surgery is a common procedure.
- Understanding its impact on pre-existing eye alignment is crucial for patient outcomes.
Purpose of the Study:
- To evaluate changes in eye alignment before and after cataract surgery.
- To identify risk factors for developing strabismus post-surgery.
Main Methods:
- Retrospective review of 786 patients undergoing bilateral cataract surgery.
- Analysis of eye alignment classifications (constant strabismus, intermittent strabismus, phoria) pre- and post-operatively.
Main Results:
- Overall eye alignment agreement was 72.3% post-surgery.
- 15.4% had constant strabismus pre-op, decreasing to 12.5% post-op.
- Patients with preoperative vertical deviation were at higher risk for developing constant strabismus and diplopia.
Conclusions:
- Uncomplicated cataract surgery typically preserves eye alignment.
- Preoperative vertical deviations are a significant risk factor for postoperative strabismus and diplopia.
More Related Videos
Related Concept Videos
01:28Angle Closure Glaucoma: Treatment
906
Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
906
01:27Open Angle Glaucoma: Treatment
779
In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...
Drugs such as carbonic anhydrase inhibitors, α2- and...
779