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The New Sonkson logMAR Test System/Ideal for Health Nurses/Schools/Opticians/More

Quick Overview

The New Sonkson logMAR Test System/Ideal for Health Nurses/Home Visitation

Regular Price: €199.00

Special Price €157.00


Complete Test Kit Excluding Booklet E, Contents:

Training booklet single letter displays booklet, Two distance test booklets, Two near test charts, Keycard, Two pairs of occlusion glasses, fine tip pointer, instruction manual, reference chart Testing children’s acuity accurately is always a challenge, but the best charts available now are those utilising LogMAR, for example Sonksen, above. School health nurses are being supplied with logmar testing kits and will be recording in Logmar notation (note many of the newer booklets do not come with a Snellen equivalent scoring notation).There can be some difficulty during transition or when some clinics use Snellen and others use LogMAR. Initially conversion is not always intuitive as poorer vision is recorded as a higher number eg 6/60 Snellen is 1.00 LogMAR and 6/6 Snellen is 0.00 LogMAR. This table may help to assist and to ease the understanding of visual acuity measurements. Where some letters are not seen on a line of Logmar an extra 0.020 or 0.025 (on a 4 letter display) is added for each missed letter. i.e 0.250 equates to 6/9.5pt. 0.625 equates to 6/24-

Additional Information

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