TEST SLIDE MUSCLE BALANCE PHORIA

Muscle Balance (Phoria) Test. Slides for testing esophoria, exophoria, hyperphoria. iSPS-3 Slide, School Lateral & Vertical Phoria. This is a Muscle Balance Test to test Vertical and Lateral Phoria in children. For children that fail this test, it helps identify if there is a possibility of amblyopia (lazy eye) or strabismus (squint eyes). Also known as the "Ball in Box" test. UOM: 1/EA.