fiber optic light
Activity

Light On, Light Off?

Determine whether light can be used as an effective reinforcer for a student with low vision.

This activity has been revised and was originally created by Vickie Brennan, Flo Ryu and Dennis Lolli and published in the Perkins Activity and Resource Guide (1st edition, Volume 2, 1992).  The second edition is available for purchase.

For students with a small amount of functional vision, particularly those with multiple disabilities who don’t respond to much else, light can be a strong reinforcer. This activity helps teachers test that theory. The student will indicate a preference for the activity by responding with a positive change in affect (smile, laugh) and/or by gesturing or moving toward the adult or item using her hand or body, as the light is slowly moved away from the student. Lessons include Orientation and Mobility.

Turn lights on and off while the student is facing the light source.light switch

Hints: Don’t shine light directly into the student’s eyes. If the student shows signs of visual discomfort, such as repeated rubbing of the eyes, tearing or reddening of the eyes, discontinue the procedure. Avoid flashing lights, as they can cause seizures.

light collage


 

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