Low vision booklet with LEA NUMBERS® characters is designed for testing of severely visually impaired children and adults. This complete book includes testing for 10′ (3 meters), 5′ (1.5 meters)…
Vision and the Brain
Cerebral visual impairment (also known as cortical visual impairment, or CVI) has become the most common cause of visual impairment in children in the United States and the developed world….
Plastic Eye Occluder Set | 750000
Set of 6 durable plastic occluders. Completely covers the eye and cupped for comfort.
Acrylic Ball Wolf Fixation Wand (Small) | #657700
…convergence, tracking, peripheral awareness and saccadic eye movements. The Acrylic Fixation Sticks come are available with either a 1″ (25 mm) or 1 1/2″ (38 mm) polished acrylic ball on…
Acrylic Ball Wolf Fixation Wand (Large) | 657800
…convergence, tracking, peripheral awareness and saccadic eye movements. The Acrylic Fixation Sticks come are available with either a 1″ (25 mm) or 1 1/2″ (38 mm) polished acrylic ball on…
LEA Numbers 5% Low Contrast Chart | 271700
…the cabinet. Use it with the 100% contrast chart (#A271200) and you can compare Snellen findings for 100% and 2.5% contrast levels. The 2.5% level of contrast is similar to…
LEA Numbers 10% Low Contrast Chart | 271800
…the cabinet. Use it with the 100% contrast chart (#A271200) and you can compare Snellen findings for 100% and 2.5% contrast levels. The 2.5% level of contrast is similar to…
LEA Numbers 25% Low Contrast Chart | 271900
…the cabinet. Use it with the 100% contrast chart (#A271200) and you can compare Snellen findings for 100% and 2.5% contrast levels. The 2.5% level of contrast is similar to…
LEA Symbols 1.25% Low Contrast Chart | 253700
…the cabinet. Use it with the 100% contrast chart (#A271200) and you can compare Snellen findings for 100% and 2.5% contrast levels. The 2.5% level of contrast is similar to…
LEA Mailbox | 254700
The LEA Mailbox is used to assess visual perception of line orientation and has two components: 1) information for the hand movements in the parietal lobe and 2) picture perception…