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The effect on visual function of Hydroview intraocular lens opacification: a cross-sectional study
M S J Blundell1, E J Mayer, N E Knox Cartwright
1Department of Clinical Sciences at South Bristol, Academic Unit of Ophthalmology, University of Bristol, Bristol, UK. msjb1@doctors.org.uk
Eye (London, England)
|June 12, 2010
Summary
Hydroview intraocular lens (IOL) opacification significantly increases glare and negatively impacts vision-related quality of life. Assessing glare is crucial for understanding the effects of IOL opacification.
Area of Science:
- Ophthalmology
- Biomedical Engineering
- Medical Optics
Background:
- Hydroview intraocular lenses (IOLs) have been linked to optic opacification, causing symptoms like glare and misty vision.
- This opacification can necessitate IOL exchange, impacting patient outcomes.
Purpose of the Study:
- To investigate the objective impact of Hydroview IOL opacification on visual functions, including glare.
- To assess the effect of IOL opacification on vision-related quality of life.
Main Methods:
- A cohort of 129 patients (50 with opacified IOLs, 79 with clear IOLs) were evaluated.
- Visual acuity, glare, contrast sensitivity, visual field, and color vision were objectively measured.
- Vision-related quality of life and symptoms were assessed via questionnaires; IOL opacification was confirmed via slit lamp biomicroscopy and photography.
Main Results:
- Opacified IOLs were associated with significantly higher glare levels (P<0.001) and mildly reduced visual acuity (P=0.002).
- Poorer contrast sensitivity (P<0.001) and visual field (P<0.001) were observed in patients with opacified IOLs.
- A significant negative impact on vision-related quality of life (P<0.001) was found.
Conclusions:
- Hydroview IOL opacification substantially impairs visual performance and patient experience, particularly concerning glare.
- Glare assessment is essential for accurately quantifying the visual effects of IOL opacification.
- The findings underscore the importance of considering IOL material and design in relation to long-term visual function and patient satisfaction.
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