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Butterfly S

The Butterfly Stereopsis Test- Standard Shapes

Lang 1-R Stereo Test (400"-1200" disparity)

New & improved version of the Lang I Stereo Test

Lang 2 (II) Stereo Test (200" - 600" disparity

Screening test for early detection of problems with stereoscopic vision.

PASS Test™ 1

Preschool Assessment of Stereopsis with a Smile 1

PASS Test™ 2

Preschool Assessment of Stereopsis Smile 2

PASS Test™ 3

Preschool Assessment of Stereopsis Smile 3

Random Dot 1 - S

Random Dot 1 - Standard Shapes

Random Dot 2 - S

Random Dot 2 with Standard Shapes

The Fly-S Test

Fly  Steropsis Test with Standard Shapes

Worth 4-Dot Test

supplied with or without glasses