ALL meanings of optometer
op·tom·e·ter
O o - noun optometer any of various instruments for measuring the refractive error of an eye. 1
- noun optometer An instrument for measuring the focus of the lens of the eye. 1
- noun optometer any of various instruments for measuring the refractive power of the eye 0
- noun optometer an instrument for determining error in the refractive power of the eye 0