The VX120+ is a multi-function diagnostic device combining corneal topographer, retro-illuminator, tonometer and pachymeter, indicated for: Measuring the refraction of the eye giving both lower and higher order aberrations Measuring the shape of the cornea Retro-illumination imaging of the eye Measuring the intraocular pressure without contacting the eye for glaucoma evaluation. Photographing the eye and taking images of the eye to evaluate the thickness of the cornea.Analysis of the tear film and evaluation of tear film non-invasive tear break-up time (NITBUT)Meibomian glands imagingEvaluation of tear meniscus height
An electrically-powered, automated, ophthalmic device designed to measure the refractive error of the eye (the inaccuracies of focusing of light upon the retina) by measuring how light is changed when it enters the patient's eye(s). A beam of light is emitted from the device into the patient's eye and reflected back out where it is detected and measured for sphere, cylinder and axis, as well as high order aberration measurements; typically measured in dioptres (the reciprocal of the focal length of the lens expressed in metres). Using this information, the device, also known as an aberrometer, will automatically calculate the lens prescription needed to correct the patient's vision.