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


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


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 other devices include lensmeter, chart projector/visual acuity accessory/computerized visual acuity system, ophthalmoscope, and others.
Tenders are invited for Supply and installation of lensmeter
Birmingham Optical will be showcasing its technology and equipment solutions, such as the Nidek Lensmeter and Nidek OCT, at Optrafair.
Designed with simplicity and quality in mind, devices such as the Visuref 100 autorefractor/ keratometer, Visulens 500 digital lensmeter and Visuplan 500 non-contact tonometer ensure that you have diagnostic quality you can rely on, right from the start of the patient workflow.
It is always useful to repeat the refraction and measure the current spectacle correction with a lensmeter to assess whether there is a difference.
RODENSTOCK INSTRUMENT'S new AL5000 automatic lensmeter is the latest generation of lensmeters with touch sensitive control and a high definition screen.
Tenders are invited for Supply of computerized lensmeter machine as per Technical specification enclosed as annexure.
Package 3: Electronic Dioptromierz (Lensmeter) - 1 pc.
1 - Dioptromierz (Lensmeter) Electronic 1 pc .;Package No.