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[Blepharoptosis in contact lens wearers]
Tiana Gabriela Burmann1, Fabiana Borba Valiatti, Luciane Obalski
1Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, São Paulo, SP, Brasil.
Arquivos Brasileiros De Oftalmologia
|December 26, 2006
Summary
Contact lens wear, particularly with rigid lenses, is linked to acquired blepharoptosis. This condition, characterized by eyelid drooping, was observed to be more prevalent in contact lens users compared to non-users.
Area of Science:
- Ophthalmology
- Optometry
Background:
- Acquired blepharoptosis can affect vision and appearance.
- Contact lens wear is common, and potential ocular side effects warrant investigation.
Purpose of the Study:
- To determine the incidence of acquired blepharoptosis in individuals wearing contact lenses.
- To assess the relationship between contact lens wear and eyelid position.
Main Methods:
- Prospective study of 50 contact lens wearers and 52 controls.
- Measured margin reflex distance (MRD) to diagnose blepharoptosis (MRD < 2 mm or asymmetry ≥ 2 mm).
- Evaluated contact lens type and wear duration.
Main Results:
- Five patients (10%) developed blepharoptosis, all were hard contact lens wearers.
- Contact lens wearers had a significantly smaller MRD (0.88 mm less) than non-wearers.
- MRD decreased progressively from controls to soft lens wearers to rigid lens wearers.
Conclusions:
- Contact lens wear is associated with alterations in MRD.
- Rigid contact lens wearers show a particular predisposition to these changes, suggesting a link to acquired blepharoptosis.
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