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Updated: Jun 24, 2026
04:59
Rotating the Intraocular Lens to Prevent Posterior Capsular Opacification in Cataract Surgeries
Published on: July 7, 2023
Strabismus in senile cataract patients
Abraham Spierer1, Ayelet Priel, Dan Sachs
1Goldschleger Eye Institute, Sheba Medical Center, 52621 Tel-Hashomer, Israel. spierera@post.tau.ac.il
Summary
Patients with cataracts show a higher prevalence of exotropia and exophoria. Cataract surgery can significantly improve ocular alignment in these patients, reducing strabismus.
Area of Science:
- Ophthalmology
- Strabismus Research
- Cataract Surgery Outcomes
Background:
- Senile cataract is a common condition in older adults.
- Strabismus, or eye misalignment, can affect visual function and quality of life.
Purpose of the Study:
- To investigate the prevalence of strabismus in patients with senile cataract.
- To compare strabismus prevalence in cataract patients versus a control group.
- To assess the impact of cataract surgery on ocular alignment.
Main Methods:
- Conducted eye examinations on 47 cataract patients scheduled for surgery and 24 age-matched controls.
- Evaluated ocular alignment using the prism and cover test or prism and corneal reflex test.
- Measured the angle of deviation in prism diopters (PD) pre- and post-surgery.
Main Results:
- Preoperative mean deviation in cataract patients was 17.8 PD (exophoria/tropia), compared to 4.7 PD exophoria in controls.
- 70.2% of cataract patients had exophoria and 27.7% had exotropia preoperatively.
- Postoperative mean deviation improved to 12.8 PD, with a significant reduction in the angle of deviation (P < 0.01).
Conclusions:
- Patients with senile cataracts exhibit a greater tendency towards developing exotropia or exophoria.
- Cataract surgery demonstrates a positive effect on improving the heterophoric status in these patients.
- Findings suggest a link between cataract and the development or worsening of strabismus.
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