The risk of phototoxicity of retina by fixed endoillumination should be considered and can be diminished by a UV filter, reducing exposure time, and a movable endoilluminator for vitreous surgery.

• 如果配合紫外光过滤片，尽量减少手术时间，降低照明强度，玻璃体切除时用移动光源，增加光源与视网膜间的距离等可避免因球内照明所引起的视网膜伤害。