The S4OPTIK SL-Y100 MINUS CYLINDER VISION TESTER features synchronized cross cylinders, fully coated lenses, a full refraction range from -19.00D to +16.75D in sphere and to -8.00D cylinder (with accessory lens), and a full complement of auxiliary lenses. It’s comfortable feel and smooth operation will allow fast and easy refractions.
• Coated Lenses
• Synchronized Cross Cylinders
• Comfortable Feel & Smooth Operation