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Visual acuity after cataract surgery in patients with optic neuropathies
Sahil Aggarwal1, Darren K Knight2, Caleb L Shumway1
1University of California, Irvine School of Medicine, Irvine, CA, USA.
Acta Ophthalmologica
|December 5, 2018
Summary
Cataract surgery offers comparable visual acuity improvement in patients with non-glaucomatous optic neuropathies versus controls. These findings suggest successful outcomes are achievable even with pre-existing optic nerve conditions.
Area of Science:
- Ophthalmology
- Neuro-ophthalmology
Background:
- Non-glaucomatous optic neuropathies represent a significant ocular comorbidity.
- Cataract surgery is a common procedure with established visual outcomes.
Purpose of the Study:
- To compare visual acuity (VA) outcomes after cataract surgery in patients with and without non-glaucomatous optic neuropathies.
- To assess the impact of optic neuropathies on the efficacy of cataract surgery.
Main Methods:
- Retrospective case-control study (2010-2017).
- Inclusion of patients who underwent cataract surgery with or without optic neuropathies.
- Recording of best-corrected visual acuity (BCVA) preoperatively and postoperatively (logMAR units).
Main Results:
- No significant difference in preoperative BCVA, postoperative BCVA, or mean BCVA improvement between groups.
- Patients with optic neuropathies were younger at the time of surgery.
- Significant BCVA improvement was observed in specific optic neuropathy subtypes (multiple sclerosis, non-arteritic ischemic optic neuropathy).
Conclusions:
- Cataract surgery provides comparable visual acuity gains in patients with non-glaucomatous optic neuropathies versus controls.
- The presence of optic neuropathy does not preclude significant visual improvement following cataract surgery.
- Patients with optic neuropathies and cataracts can expect meaningful visual acuity enhancement post-surgery.
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