Vision Therapy

Description: Physical therapy for your eyes.
See Also: Permalink; Vestibular; Vision Therapy Exercises; Font Family: Optician Sans
Last Updated: 2027-01-01
Reading Time: 5 minute(s)
Word Count: 956 words

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Vision Therapy Tools

Aperture Rule Requires an Aperture Rule Trainer!: Image generator for an aperture rule trainer.
Arrow Chart: A chart of arrows for directional exercises.
Arrow Color Chart: A chart of colored arrows for decoding exercises.
Barrel Card: ?
Closed/Open/Flat: ?
Fusion Card: ?
Hart Chart: ?
Letter Saccades: ?
Letter Search: ?
Letter Tracking: ?
Line Counting: ?
Number Dots: ?
Number Grid: ?
Number Saccades: ?
Number Search: ?
Shape Chart: ?
Shape Color Chart: ?
Single Target: ?
Slap Tap: ?
Space Fixator: ?
Spot the Match: ?
Stereo Circles: ?
Tranaglyph: ?

Equipment

Aperture Rule Trainer

An aperture rule trainer forces your eyes to see separate images using mechanical means.

If a single aperture is used, your eyes are required to converge near the two images, creating a convergence demand in order to fuse the two images.

If a double aperture is used, your eyes are required to converge distant the two images, creating a divergence demand in order to fuse the two images.

Brock String

A string of beads.

Position the first bead so it is 12 inches from the handle.

Position the second bead so it is 5 feet from the handle.

Position the third bead so it is 8 feet from the handle.

Use an Alpine Butterfly Loop Knot to create a back-stop for each bead threaded onto the string.

Prism Lens

A triangular shaped lens that shifts the image from one eye inwards or outwards.

Base-In Requires divergence.

The thick end of the lens (the base) should face towards your nose.

The image is shifted outwards—towards the small end of the lens (the apex).

This requires your eyes to diverge and shift outwards as well to match and fuse the images.

Base-Out Requires convergence.

The thick end of the lens (the base) should face away from your nose.

The image is shifted inwards—towards the small end of the lens (the apex).

This requires your eyes to converge and shift inwards as well to match and fuse the images.

About

Visual Skills

Eye Movement Control Oculomotility: The ability to move both eyes together to point at an intended target or follow along a path.; Includes saccades, pursuits, and vestibulo-ocular movements.
Eye Teaming Binocularity: The ability for each eye to send information to the brain and for the brain to combine it into one clear image.; Poor eye teaming can result in blurred vision, moving print, reduced depth perception, and double vision.; The brain may suppress information from one eye as an adaptation to reduce confusion.
Convergence: The inward movement of the eyes to focus on an object at a close distance.
Divergence: The outward movement of the eyes while looking at distant objects.
Vergence: The ability to move both eyes together to focus on a specific point.; Includes both convergence and divergence.
Focus Accommodation: The ability to efficiently and quickly adjust focus between near and far distances.
Depth Perception: The ability to judge whether objects are closer or farther away relative to other objects.
Peripheral Vision: The ability to see objects to either side while looking straight ahead without moving your head.
Gross-Motor Coordination: The ability to integrate visual information in order to move through space accurately and comfortably.
Fine-Motor Coordination: The ability to integrate visual information in order to perform small, close-up activities with accuracy and comfort.
Visual Motor Integration: The ability to coordinate body movements with visual information.; Combines gross-motor and fine-motor coordination.
Laterality and Directionality: Awareness that the body has two distinct sides (right and left).
Visual Spatial Relations: The ability to understand directional concepts that organize external visual space.
Visual Spatial Orientation: The ability to understand how the orientation of visual items affects spatial perception.
Visual Spatial Skills: A broad set of abilities that enable understanding where we and objects are in space.; Supports organizing and navigating through the environment.; Includes laterality and directionality, visual spatial relations, and visual spatial orientation.
Eye Movement Skills: A broad category encompassing eye movement control, eye teaming, convergence, divergence, focus accommodation, depth perception, peripheral vision, gross-motor coordination, fine-motor coordination, laterality and directionality, visual spatial relations, and visual spatial orientation.
Visual Spatial Memory: The ability to recognize specific features of objects or forms, remember their locations in space, and understand their relationships to one another.
Visual Sequential Memory: The ability to remember symbols or characters in the order they were seen.
Visual Memory: The ability to readily recall characteristics of visually presented information.; Includes both visual sequential memory and visual spatial memory.
Visualization: The ability to create a mental picture or image.
Figure Ground: The ability to distinguish an object from its background.
Visual Closure: The ability to recognize a complete image even when only part of it is visible.
Visual Form Recognition Visual Form Discrimination: The ability to identify similarities and differences between objects or images.
Visual Form Constancy: The ability to recognize or sort objects, shapes, symbols, letters, or words despite changes in size, orientation, or position.
Visual Acuity: The measurement of how clearly we see at specific distances.