Total internal reflection of laser light in eyes filled with silicone oil.
Ophthalmic Surg Lasers
; 30(1): 17-23, 1999 Jan.
Article
en En
| MEDLINE
| ID: mdl-9923487
BACKGROUND AND OBJECTIVES: This is the first report of clinical settings in which total internal reflection of laser light in eyes filled with silicone oil was observed. The authors analyze this phenomenon and outline the potential hazards it may present to patient, surgeon, and operating room personnel. MATERIALS AND METHODS: The authors observed significant reflection of laser light off the silicone-water interface both intraoperatively and in the clinic. The critical angle according to Snell's law (i.e., the angle at which total internal reflection occurs at the interface between silicone oil and vitreous) was calculated. The critical angle was found to be 71.9691 degrees(72 degrees). RESULTS: An analysis of each of the clinical conditions where this phenomenon was observed is presented. Clinical and surgical implications are discussed. CONCLUSIONS: The hazard of total internal reflection of laser light in eyes filled with silicone oil should be recognized by ophthalmologists to avoid possible complications. Techniques for overcoming and circumventing the difficulties resulting from this phenomenon are proposed.
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Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Refracción Ocular
/
Dispersión de Radiación
/
Procedimientos Quirúrgicos Oftalmológicos
/
Aceites de Silicona
/
Rayos Láser
Límite:
Humans
Idioma:
En
Revista:
Ophthalmic Surg Lasers
Asunto de la revista:
OFTALMOLOGIA
Año:
1999
Tipo del documento:
Article
País de afiliación:
Israel
Pais de publicación:
Estados Unidos