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Do reading additions improve reading in pre-presbyopes with low vision?
Balsam Alabdulkader1, Susan Leat
1School of Optometry, University of Waterloo, Waterloo, Ontario, Canada. balsama@gmail.com
Summary
Determining a reading addition can improve reading performance in young individuals with low vision, especially when accommodation is reduced. This finding is crucial for low vision assessments.
Area of Science:
- Ophthalmology
- Low Vision Research
- Pediatric Optometry
Background:
- Low vision significantly impacts reading ability in children and young adults.
- Accurate determination of reading addition is essential for optimizing visual function.
Purpose of the Study:
- To compare three methods for determining reading addition.
- To evaluate the impact of these additions on reading performance in young individuals with low vision.
Main Methods:
- Twenty-eight participants (8-32 years) with low vision were enrolled.
- Reading additions were determined using modified Nott dynamic retinoscopy, a subjective method, and an age-based formula.
- Reading performance was assessed using MNREAD charts with and without additions.
Main Results:
- No significant improvement was observed for the entire group.
- Excluding participants with normal accommodation, reading performance (area under the reading speed curve and acuity threshold) significantly improved with all tested reading additions.
- Reduced accommodation was a key factor in improved reading with an addition.
Conclusions:
- Reading additions can enhance reading performance in young people with low vision.
- Consider reading additions during low vision assessments, particularly for individuals with reduced accommodation.
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