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Dynamic nature of posterior subcapsular cataract.
G Adrien Shun-Shin1, N P Brown, A J Bron
1Nuffield Laboratory of Ophthalmology, University of Oxford.
The British Journal of Ophthalmology
|July 1, 1989
Summary
Posterior subcapsular cataracts (PSC) change rapidly, not slowly progressing. This suggests a potential lens repair mechanism may exist for these evolving cataracts.
Area of Science:
- Ophthalmology
- Cell Biology
- Biomedical Imaging
Background:
- Posterior subcapsular cataracts (PSC) are a common form of age-related vision impairment.
- The progression of PSC has traditionally been considered slow and irreversible.
Purpose of the Study:
- To investigate the dynamic structural changes in posterior subcapsular cataracts.
- To determine if PSC exhibits rapid progression or potential reversibility.
Main Methods:
- Utilized the Oxford Retroillumination Camera for high-resolution imaging.
- Photographed PSC in 19 eyes across 10 patients at 4-week to 12-week intervals.
- Analyzed fine structural alterations over time.
Main Results:
- Observed significant fine structural changes in PSC within as little as four weeks.
- Demonstrated that PSC is in a dynamic state of flux.
- Contradicted the assumption of slow, relentless progression.
Conclusions:
- Posterior subcapsular cataracts are not static but undergo rapid changes.
- The dynamic nature of PSC suggests the possibility of an intrinsic lens repair mechanism.
- Further research into lens regeneration and PSC reversal is warranted.