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Contact lens-induced subconjunctival hemorrhage
Tatsuya Mimura1, Satoru Yamagami, Mikiro Mori
1Department of Ophthalmology, Toranomon Hospital, Tokyo, Japan. mimurat-tky@umin.ac.jp
American Journal of Ophthalmology
|August 17, 2010
Summary
Contact lens wearers with conjunctivochalasis and pinguecula face a higher risk of subconjunctival hemorrhage. These findings highlight key factors contributing to this common contact lens complication.
Area of Science:
- Ophthalmology
- Contact Lens Technology
Background:
- Subconjunctival hemorrhage is a common complication associated with contact lens (CL) wear.
- Identifying specific risk factors is crucial for prevention and management.
Purpose of the Study:
- To conduct the first detailed assessment of clinical features of CL-induced subconjunctival hemorrhage.
- To identify associated risk factors for CL-induced subconjunctival hemorrhage.
Main Methods:
- A cross-sectional and case-control study involving 45 CL wearers with subconjunctival hemorrhage and matched control groups.
- Assessment included hemorrhage site, conjunctivochalasis grade, and pinguecula presence.
- Statistical analysis using multivariate logistic regression identified risk factors.
Main Results:
- Subconjunctival hemorrhage commonly affected the temporal conjunctiva.
- Higher grades of conjunctivochalasis and pinguecula were observed in patients with hemorrhage (P < .00001).
- Conjunctivochalasis and pinguecula were significantly associated with an increased risk of CL-induced subconjunctival hemorrhage (P < .05).
Conclusions:
- Conjunctivochalasis and pinguecula are identified as major risk factors for CL-induced subconjunctival hemorrhage.
- These findings can inform clinical practice regarding CL wear and patient selection.
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