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New equipment

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LEA SYMBOLS® near card (40 cm)
No brand

Buy now 66 €

ref : 12688
Year of mfg. : 2026
Available

Description

reciprocally printed,
with distance cord,
VA from 0.05 to 2.0 (40 cm),
Format: 20.3 cm x 25.4 cm,
response cards included,
this test assesses a child's functional vision at near distances. Can also be used to familiarize child with testing procedure before introducing a distance test.
Proportionally spaced (logMAR) lines on one side and more tightly-spaced symbols on the opposite side.
Line sizes range from 20/400 to 20/10 (6/120 to 6/3) equivalent, 0.05 to 2.00.
Response key printed on test card. Includes training cards and instructions.
Card measures 8" x 10" (20.3 cm x 25.4 cm).
16 inches/40 centimeters testing distance

New equipment

Technical description

The visual acuity test is an ophthalmological examination used to measure the eye’s ability to distinguish fine details and identify shapes, letters, or symbols at a specific distance.

It is a fundamental test for assessing the quality of vision.

What does it do?
- Measure visual acuity at a distance and up close, for each eye separately or in binocular vision.
- Detect a decrease in vision that may be related to a refractive error (myopia, hyperopia, astigmatism) or an eye condition.
- Evaluate the effectiveness of optical correction, particularly with glasses or contact lenses.
- Screen for amblyopia, particularly in young children.
- Monitor changes in visual function over time or following treatment.
- Tailor the exam to the patient’s age using various optotypes: letters, numbers, LEA symbols, Landolt rings, or grid tests.

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