This Keystone Eye Comfort Training Set stereoview card is specifically designed to enhance depth perception, focus, and visual health through eye comfort training. The detailed image on this card features an interior scene, ideal for visual reconditioning and training, as part of a therapeutic exercise set. It is particularly effective for improving focus, visual acuity, and relief from eye strain. These stereoview cards serve as an optometric resource, commonly used in eye training clinics or as part of home-based visual therapy.

On the card's back, detailed instructions guide users through exercises meant to improve both binocular vision and ocular mobility. This card, part of a larger training set, aids in achieving a comfortable vision and encourages motor control of the eyes by focusing on specific numbered points within the scene. Ideal for optometrists, health practitioners, or individuals interested in improving their visual perception.

Condition:
This card is in good condition, with minimal signs of wear typical for its age. There may be slight corner wear or surface fading, but the image quality remains strong and visually engaging. 

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