The Retinoscope's external focusing sleeve is easy to grip and manipulate It has bright halogen light for true tissue color and consistent, long-lasting illumination. Its crossed-linear polarizing filter eliminates glare from trial lenses for easier exams It has magnetic age-appropriate targets for dynamic retinoscopy and one-hand operation for streak focus and 360° streak rotation. A rubber brow rest prevents scratching of eyeglasses. The interchangeable streak retinoscope can be converted to a spot retinoscope by simply changing the lamp. The Ophthalmoscope uses a Halogen HPXTM lamp with 30% more light output for true tissue color and consistent, long-lasting illumination. It has 68 lenses in one diopter steps for better resolution, and 6 apertures for general and specialist use. The coaxial optical system provides a shadow-free spot and easier entry into undilated pupil. Its illuminated lens dial clearly identifies settings. The convertible chrome-plated brass handle provides durable, long-life construction.