1. A portable camera for capturing an image of a patient's eye without contacting the patient's eye, the portable camera comprising: a light source disposed within the portable camera; a first lens within the portable camera for focusing light from the light source onto a retina of the patient's eye and providing a wide-field retinal image, wherein the first lens is a biconvex aspherical lens; a second lens for receiving the wide-field retinal image and causing a magnification of the wide-field retinal image; and a digital camera within a mobile computing device for recording the magnified wide-field retinal image.