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It checks for the ability to distinguish light and dark (contrast). It can detect vision problems. Also useful to reveal in time regression or progression of the cataract disease.
Visual test designed with the aim of simplifying the detection of stereopsis in children.
Test created to simplify stereopsis screening in children.
It checks for the ability to distinguish light and dark (contrast). It can detect vision problems. Also useful to reveal in time regression or progression of the cataract disease.
Single plates packed in a practical aluminium box.
Set of two tiger fun frosted glasses to be used as occluder during children examinations.
This test is performed at a distance of 30-40 cm and allows evaluation of the cooperation between the two eyes to form a single image to the brain from the two images provided separately by each of the two eyes.
This test measures near visual acuity with proportionally spaced (logMAR) lines on the front and lines with 25% and 50% spacing on the back.
Designed to measure visual acuity with a standard line test and with three tighter spaced tests; 50%, 25%, and 12.5%, which often reveal difficulties in seeing tightly crowded details. Card measures 20.3 x 25.4 cm (8 x 10").
Serie de pruebas diseñado para determinar una valoración rápida y exacta
This test is designed for vision screening at school and assessment of vision of children with special needs beginning with age of 3 years.
This test is designed for vision screening at school and assessment of vision of children with special needs beginning with age of 5 years. It has a hole for hanging on the wall. 45.7 x 50.8 cm (18 x 20"). Folds to 45.7 x 25.4 (18 x 10").
LANG STEREOTEST® represent today’s standard of random dot stereo tests without the need of 3D glasses, with very high sensitivity and specificity for stereopsis.
LANG STEREOTEST® represent today’s standard of random dot stereo tests without the need of 3D glasses, with very high sensitivity and specificity for stereopsis.
These series of plates are designed to provide a test which gives a quick and accurate assessment of colour vision deficiency of congenital origin.
These series of plates are designed to provide a test which gives a quick and accurate assessment of colour vision deficiency of congenital origin.