After 'zeroing' the
focimeter, the first step is to establish the power of the principal meridian with the higher absolute back vertex power (BVP).
Within the ISO standards the principal method of BVP inspection is the
focimeter, which enables measurement of sphere, cylinder and prism powers.
The practical parts of the assessment are: to take keratometry readings, insert and remove a contact lens, perform pupil reactions and manually
focimeter a pair of varifocals.
The first thing I did when I took over was buy a pupilometer, a Zeiss
focimeter and a glazing machine."
Those that come into contact with the eye require either disposable heads or suitable sterilising Visual Means of checking fields peripheral and central visual fields Identification
Focimeter or Equipment The power of the and measurement for hand neutralisation patient's current of current spectacles should be read spectacles to see whether they need to be updated, or further investigations required