Sell Your Used Equipment. We buy used equipment! Click the link below and we'll get back to you as soon as possible. Sell Your Used Equipment Amsler Manual Assists in early recognition of changes in the macula and foveal areas. Only 6 patient responses required for diagnosis of functional disturbances, from small scotoma to distortions. Keeler has been manufacturing ophthalmic instruments since 1917. We continue to lead the market Keeler Retinoscopy Pack 31 Amsler Manual 31 Surgical Loupes 32-35 our first binocular indirect ophthalmoscope, Keeler has developed a reputation as the innovator in the development and Welch Allyn Ophthalmoscopes, Cleaning the Optics, 2015. Welch Allyn Ophthalmoscopes. After years of use, the optics of the ophthalmoscope can start to fog up. What can you do? The easiest thing is to replace the ophthalmoscope head. Contact the Welch Allyn company to find out if you can get a credit for your old ophthalmoscope. Demo of the Keeler Diagnostic Sets - Practitioner. This feature is not available right now. Please try again later. The Specialist is Keeler's flagship ophthalmoscope, making it without doubt the best engineered ophthalmoscope in the world. The new Keeler Specialist offers precision optics,versatile features and practical ergonomics making it the number one choice for ophthalmic practitioners. Since the launch of the Keeler Fison Indirect Ophthalmoscope in 1957, Keeler has established its reputation for providing the most durable and reliable Indirect Ophthalmoscopes available today. The introduction of wireless technology, bright, white, LED illumination and our new ground breaking Binocular Indirect Ophthalmoscope Quick Overview One of the most advanced BIOs available, this device has state-of-the-art, convenient features with a lightweight, comfortable fit and increased stability. Keeler Slit Lamps: Kids Frames: Kids Sunglasses: Lens Cleaning: Low Vision: Medical & Surgical Supplies: Occlusion Therapy: Office