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Updated: Dec 12, 2025
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Author Spotlight: Advancements in Refractive Surgical Correction for Presbyopia and Exploring Postoperative Visual Acuity
Published on: September 20, 2024
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Binocular Visual Function in a Pre-Presbyopic Patient with Uniocular Cataract Undergoing Cataract Surgery with a
Laura J Wood1,2, Jasleen K Jolly1,2, Markus Groppe3
1Nuffield Laboratory of Ophthalmology, Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, UK.
Clinical Ophthalmology (Auckland, N.Z.)
|August 9, 2020
Summary
Multifocal intraocular lenses (IOLs) improved binocular vision and near ability in a pre-presbyopic patient undergoing uniocular cataract surgery compared to a monofocal IOL. Further research is needed to confirm these functional benefits.
Area of Science:
- Ophthalmology
- Optometry
- Vision Science
Background:
- Uniocular cataract extraction is increasingly performed in pre-presbyopic individuals.
- This study compares binocular status after uniocular cataract surgery with multifocal versus monofocal intraocular lenses (IOLs).
Observation:
- Two pre-presbyopic patients were randomized to receive either a multifocal or a monofocal IOL.
- Visual acuity, binocular function (Worth Four Dot Test, fixation disparity, TNO stereoacuity, foveal suppression), and quality of life were assessed.
- The trial was terminated early due to the multifocal lens being superseded by newer models.
Findings:
- Both IOL types resulted in improved corrected distance visual acuity.
- The multifocal IOL group demonstrated normal binocular vision with 30 seconds of arc stereoacuity.
- The monofocal IOL group showed only gross binocular single vision without stereopsis and reported reduced near vision quality of life.
Implications:
- Multifocal IOLs may offer superior binocular near vision compared to monofocal IOLs in pre-presbyopic patients undergoing uniocular cataract surgery.
- This case series underscores the need for further investigation into the functional and quality-of-life benefits of multifocal IOLs in younger patients.
- The findings highlight the importance of considering advanced IOLs for optimizing visual outcomes in this demographic.
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