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Corneal injury and its protection using hydro-gel patch during general anesthesia
Ting Wan1, Yan Wang2, Xiu-Ming Jin1
1Eye Center, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, Zhejiang Province, China ; Zhejiang Provincial Key Lab of Ophthalmology, Hangzhou 310009, Zhejiang Province, China.
International Journal of Ophthalmology
|December 26, 2014
Summary
Medical hydro-gel eye patches significantly reduce corneal injury after general anesthesia compared to adhesive tape. This simple intervention offers effective eye protection during surgical procedures.
Area of Science:
- Ophthalmology
- Anesthesiology
- Medical Devices
Background:
- Corneal injury is a potential complication following general anesthesia.
- Standard eye protection methods may not be fully effective.
Purpose of the Study:
- To evaluate the incidence of corneal injury during general anesthesia.
- To assess the protective efficacy of medical hydro-gel eye patches.
Main Methods:
- A randomized controlled trial involving 76 patients (152 eyes) undergoing general anesthesia.
- One eye per patient received a hydro-gel eye patch, the other received adhesive tape.
- Corneal injury assessed via fluorescein staining post-surgery and at 24 hours.
Main Results:
- Corneal injury occurred in 15.8% of eyes with hydro-gel patches versus 39.5% with adhesive tape immediately post-surgery.
- Hydro-gel protected eyes showed significantly less corneal staining.
- Adhesive tape caused more side effects, including brow avulsion and skin itching.
Conclusions:
- Corneal injury following general anesthesia is more common than anticipated.
- Medical hydro-gel eye patches provide effective protection against corneal injury.
- Hydro-gel patches are a safe and beneficial adjunct for eye care during general anesthesia.

