Near Chart with numbers 40 cm

81709-nahtafel-lea-zahlen
€42.00 *

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  • 81709
Near Chart with numbers 40 cm (Art.-No.: 81209) This near chart is good for measuring the... more
Product information "Near Chart with numbers 40 cm"

Near Chart with numbers 40 cm (Art.-No.: 81209)


This near chart is good for measuring the visual acuity with numbers within the near distance (40 cm). 

Functional details 


On the front side of this chart there are ETDRS sloan letters. On the backside you can test for crowding with the optotypes in 50 %, 25 % and 12,5 % spacing. The cord attached is made for keeping the needed distance of 40cm. The scales are in the metric system and snellen (feet), but also in decimal and logMAR indications of the visual acuity.

Technical details



  • near chart printed on both sides (front normal, back for crowding)

  • Made of cleanable plastic

  • Optotypes: numbers

  • Size 20 x 25 cm

  • Test distance: 40cm

  • Visual acuity range: from 0.05 to 2.0 (20/400 until 20/10)

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