Ophthalmoscopy is the detailed and complete visual examination of the retina and vitreous by the ophthalmologist. We use a slit-lamp biomicroscope, where a focused beam of light is used to evauate the macula with magnification. Indirect ophthalmoscopy is where a hand-held lens is used to direct light from a headlight worn by the doctor. The light is directed onto the retina and allows the doctor to see a panoramic view of the entire retina, including the retinal periphery.