Vitreoretinal surgery encompasses intra-ocular surgical procedures performed in the posterior segment of the eye where instruments are inserted into the vitreous cavity to treat vision threatening diseases [1]. This surgery requires highly skilled surgeons to visually inspect and differentiate normal anatomy of the retina from pathology and manipulate retinal tissue with microsurgical instruments (Fig. 1 
Fig. 1

The traditional illumination option is a needlelike optic fiber enclosed by a rigid conduit, and is known as an endo-illuminator (Fig. 1) [1]. The surgeon views the surgery through a microscope with an optical path that passes through the lens of the patient's eye, while the light pipe is inserted via a small incision through the sclera. The light pipe provides a cone of illumination, where the angle of orientation and the proximity to the viewing surface can be controlled manually by the...

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