Rendia Vision Therapy Overview Video Link
https://covd.site-ym.com/?page=Vision_Therapy
https://covd.site-ym.com/?page=research
http://www.allaboutvision.com/parents/vision_therapy.htm
http://c.ymcdn.com/sites/www.covd.org/resource/resmgr/position_papers/vision-therapy_-_jops_aao_&_.pdf
https://www.youtube.com/watch?v=bY-Ix5bVWi0
https://www.youtube.com/watch?v=BH2itLY-dLU#t=137


Convergence Insufficiency (CI)
Symptoms:

  • Closes or covers one eye
  • Occasionally sees double at near
  • Rubs eyes frequently
  • Words move around on page
  • Frequent loss of place while reading
  • Able to read for only a short time
  • Poor reading comprehension

Links:
Rendia Convergence Insufficiency Video Link
http://convergenceinsufficiency.net/
http://www.convergenceinsufficiency.org/
http://www.covd.org/?page=Convergence
https://www.youtube.com/watch?v=TxZt3W1pdv4


Accommodative Dysfunction (Focusing Difficulties)
Symptoms:

  • Holds things very close
  • Complains of blurred vision
  • Poor reading comprehension
  • Says eyes are tired
  • Squints or blinks excessively
  • Able to read for only a short time
  • Headaches when reading

Links:
http://www.covd.org/?page=Focusing
http://c.ymcdn.com/sites/www.covd.org/resource/resmgr/
position_papers/revised_oct_18_bvppo_positio.pdf


Oculomotor Dysfunction (Disorders of Coordinated Eye Movement)
Symptoms:

  • Moves head excessively when reading
  • Frequently loses place and/or skips lines when reading
  • Uses finger to keep place
  • Poor reading comprehension
  • Short attention span
  • Makes frequent reversals when reading or writing
  • Omits or confuses small words when reading

Links:
https://kingdevicktest.com/research/reading/
https://www.youtube.com/watch?v=z1X35r2losQ


Strabismus (Eye Turn)
Symptoms:

  • Closes or covers one eye
  • Sees double at distance or near
  • Rubs eyes frequently
  • Able to read for only a short time
  • Poor reading comprehension
  • Head tilting

Links:
Rendia Strabismus Video Link
http://www.aoa.org/patients-and-public/eye-and-vision-problems/glossary-of-eye-and-vision-conditions/strabismus?sso=y
http://www.covd.org/?page=Strabismus


Amblyopia (Lazy Eye)
Symptoms:

  • Blurry vision in one or both eyes (not immediately improved with glasses alone)
  • Closes or covers one eye
  • Eyes do not appear to work together
  • Poor depth perception
  • Head tilting

Links:
Rendia Amblyopia Video Link
http://www.aoa.org/patients-and-public/eye-and-vision-problems/glossary-of-eye-and-vision-conditions/amblyopia?sso=y
http://www.covd.org/?page=Amblyopia


Learning Related Vision Problems
Symptoms:

  • Mistakes words with similar beginnings
  • Difficulty recognizing letters, words, or simple shapes and forms
  • Can’t distinguish the main idea from insignificant details
  • Trouble learning basic math concepts of size, magnitude, and position
  • Trouble visualizing what is read- Poor reading comprehension
  • Poor speller
  • Trouble with mathematical concepts
  • Poor recall of visually presented material
  • Sloppy handwriting and drawing
  • Can’t stay on lines
  • Poor copying skills
  • Can respond orally but not in writing
  • Trouble learning right and left
  • Reverses letters and words
  • Trouble writing and remembering letters and numbers

Links:
http://www.aoa.org/patients-and-public/resources-for-teachers/a-look-at-reading-and-vision?sso=y
http://www.aoa.org/patients-and-public/good-vision-throughout-life/childrens-vision/school-aged-vision-6-to-18-years-of-age?sso=y#1
http://www.covd.org/?page=Symptoms
http://c.ymcdn.com/sites/www.covd.org/resource/resmgr/position_papers/vision-learning-dyslexia_-_j.pdf
https://www.youtube.com/watch?v=6nke_oPAJOg
https://www.youtube.com/watch?time_continue=30&v=k_3iTu9Cq1E


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