Labtron Ophthalmoscope and Retinoscope use 3.5 V/2.8 W halogen illumination for refractive assessment at a 0.67 m working distance. Its coaxial optical system reduces glare, while continuous brightness adjustment regulates illumination intensity. The 360° rotating filament and adjustable 3–20 mm streak width support different examination positions and refractive assessment. Manufactured for clinical vision testing in hospitals and eye care centers, this halogen retinoscope supports ophthalmic examinations.