What our ophthalmology clients like about this is that they can always get the slit lamp and phoropter to be at the same height in front of the patient, and that it can be coordinated to the ...

A phoropter is an instrument comprised of cylinders, prisms, and lenses that measures the eye’s refractive error to help determine and eye prescription. Phoroptors ...

Finding the prescription for eyeglasses and contact lenses To find the right prescription for eyeglasses or contact lenses, an ophthalmologist will ask a person to look through a phoropter ...

Pay attention to head positioning on the phoropter. Make sure that there is no head tilt or head turn to minimize cyclotorsion. Pay attention to the refraction and the vertex distance of the eye ...