Indirect Ophthalmoscope is a instrument to visualize the inside of the eye, with the instrument at arm’s length from the subject’s eye and the observer viewing an inverted image through a convex lens located between theinstrument and the subject’s eye.Indirect Ophthalmoscope is a instrument to visualize the inside of the eye, with the instrument at arm’s length from the subject’s eye and the observer viewing an inverted image through a convex lens located between theinstrument and the subject’s eye.