Stefánsson E, Tiedeman J
Department of Ophthalmology, Duke University Medical Center, Durham, NC 27710.
Retina. 1988;8(1):10-9. doi: 10.1097/00006982-198808010-00004.
Replacement of intraocular contents with gas or silicone oil changes the optical characteristics of the eye. This affects the surgeon's view of the fundus and the patient's vision. Gullstrand's schematic eye was used to calculate the refractive properties of eyes with air or silicone oil in the vitreous cavity or anterior chamber in phakia, aphakia, and pseudophakia. The article gives a general solution of the optical characteristics of the eye with any substance filling the eye or the vitreous cavity. Criteria are shown for selection of appropriate corneal contact lenses for visualization of the fundus during and after vitreous surgery.
用气体或硅油替代眼内容物会改变眼睛的光学特性。这会影响外科医生对眼底的观察以及患者的视力。使用古尔斯特兰德简化眼来计算晶状体眼、无晶状体眼和人工晶状体眼中玻璃体腔或前房内填充空气或硅油时眼睛的屈光特性。本文给出了眼内或玻璃体腔填充任何物质时眼睛光学特性的一般解决方案。文中还展示了在玻璃体手术期间及术后选择合适角膜接触镜以观察眼底的标准。
