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[Central corneal endothelial changes in contact lens wearers]
Klinische Monatsblatter Fur Augenheilkunde
|April 1, 1985
Summary
Long-term wear of Hydroxy-ethyl methacrylate (HEMA) contact lenses, especially with chlorhexidine solutions, can cause irreversible corneal opacities. Early detection is crucial as initial symptoms are often absent, delaying medical consultation.
Area of Science:
- Ophthalmology
- Materials Science
Background:
- Hydroxy-ethyl methacrylate (HEMA) contact lenses are widely used for vision correction.
- Corneal health is paramount for maintaining visual acuity and comfort.
Observation:
- Progressive development of central corneal opacities observed in long-term HEMA lens wearers.
- Initial small, curved spots can evolve into significant reticulate opacities over time.
Findings:
- A correlation was noted between long-term HEMA lens use, chlorhexidine-containing cleaning solutions, and corneal opacity development.
- The absence of early warning signs like 'red eye' or 'blurred vision' in most patients leads to delayed diagnosis.
Implications:
- The observed corneal damage appears to be irreversible, highlighting the need for proactive monitoring.
- Emphasizes the importance of early diagnosis and regular ophthalmological examinations for contact lens wearers to prevent severe vision impairment.