NIDEK ARK-1 Autorefractor ​/​ Keratomete The NIDEK ARK-1 is an advanced autorefractor and keratometer designed for quick and accurate measurement of refractive errors and corneal curvature. Key Features: Automatic measurement of refraction and keratometry User-friendly touchscreen display Ergonomic design for patient comfort High-speed, high-precision performance Built-in printer and network connectivity Applications: Used in optometry clinics, ophthalmology offices, and eye care centers for determining accurate prescriptions for eyeglasses or contact lenses. Return Policy: Items are sold as-is with no returns or refunds available unless explicitly stated.