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[Retinal photocoagulation without corneal contact using the 90 diopter lens]
G Brasseur1, M Mehech, T Didier
1C.H.U. de Rouen, Service d'Ophtalmologie.
Bulletin Des Societes D'Ophtalmologie De France
|February 1, 1990
Summary
Non-contact retinal photocoagulation using a 90-diopter lens offers excellent visualization and patient comfort, particularly useful post-surgery. However, eye movements and limited peripheral access are key limitations.
Area of Science:
- Ophthalmology
- Retinal Surgery
Background:
- Contact lenses are standard for retinal photocoagulation but contraindicated in certain ocular conditions.
- Alternative methods are needed for patients unable to use contact lenses.
Observation:
- A handheld 90-diopter lens was utilized for non-contact retinal photocoagulation in 8 patients.
- The lens provided excellent visualization of the retina.
Findings:
- Non-contact retinal photocoagulation with a 90-diopter lens is feasible and beneficial.
- Advantages include excellent retinal visualization, patient comfort, and utility immediately post-surgery or in gas-filled eyes.
- Disadvantages involve limitations due to eye movements and restricted access to the retinal periphery.
Implications:
- This technique offers a valuable alternative for retinal photocoagulation when contact lenses are not suitable.
- Further research may explore methods to overcome the limitations of peripheral visualization and eye movement tracking.