lensometer


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lens·om·e·ter

(lenz-om'ĕ-tĕr),
An instrument to measure the power and cylindric axis of a spectacle lens.
Synonym(s): focimeter, vertometer
[lens + G. metron, measure]

lensometer

(len-zom′ĕt-ĕr) [ lens + -meter]
A device that measures the refractive power of a lens.

focimeter

An optical instrument for determining the vertex power, axis direction and optical centre of an ophthalmic lens (Fig. F8). The instrument can be either manual or automated. Syn. Lensometer (a tradename); vertexometer; Vertometer (a tradename). See lens measure; neutralization; back vertex power.
Fig. F8 Focimeter (Shin Nippon)enlarge picture
Fig. F8 Focimeter (Shin Nippon)
References in periodicals archive ?
The lenses then are taken to the lensometer, and the optical centers are dotted for proper placement of the "block.
Notes are automatically updated with the numeric test results from devices such as auto-refractors and lensometers.