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Allen and other Preschool symbol tests..

A visual testing kit designed to determine contrast sensitivityDesigned for testing toddlers and young childrenSuitable for older children/adults with intellectual impairmentKit consists of 36 laminated cards with images..

Contrast Acuity Charts..

Distance Fixation cards..

ETDRS Distance Charts..

Fixation Targets..

I-Test Vision Screener..

Unlettered version includes 8 plates intended for children uses tracingsrather than numbers. Test for red/green only...

Lang Fixation Cube..

10 Ft Tumbling "E" Chart..

20 Ft Tumbling "E" Chart..

OKN drums accurately test for nystagmud when rotatedat 8-10 rpmAll drums spin on ball bearings for eortless rotation...

Used to produce involuntary Optokinetic nystagmud(OKN) physiologic jerk in patient's eyes...

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(By Stereo Optical Model TAC II)TheTeller Acuity Cards are a classic test of visual acuity for infants, young children and individuals with disabilities. The extensive evidence-base gathered in their development and use provides a strong foundation for their application in ophthalmology, optometry and developmental practice...