Binocular Vision Problems

Binocular Vision Problems

Signs and Symptoms Associated with a Binocular Vision Problem…

The following is a list of symptoms that are commonly associated with a binocular vision deficit.

This symptom list is inclusive of problems with hand-eye coordination, uncorrected refractive error (such as near-sightedness or far-sightedness), reduced focussing muscle skills, poor eye movement or eye tracking abilities, visual perceptual difficulties, problems with eye teaming or eye alignment and visual problems post-traumatic brain injury.

  • Blurry vision when looking at any distance
  • Double vision (seeing two of things)
  • Words appear to overlap or run together on the page when reading
  • Headaches triggered during or after sustained visual tasks
  • Red or watering eyes during or after a sustained visual task
  • Difficulty copying from the board at school
  • Yawning, fatigue or falling asleep while reading
  • Homework takes a long time to complete
  • Mistakes words with similar beginnings
  • Orients drawings poorly on a page
  • Repeats letters within words when writing or copying
  • Excessive blinking during sustained visual tasks such as reading and writing
  • Frequent left-right letter reversals
  • Often confuses left and right in real space or on self
  • Difficulty learning new words, fails to recognize the same word in the next sentence
  • Mistakes words with the same or similar beginnings
  • Clarity of vision fluctuates throughout the day
  • Skips or repeats lines when reading
  • Misaligns digits in number columns
  • Tilts or turns head to one side when reading and writing
  • Avoidance of near visual tasks such as computer, reading and writing
  • Fidgeting or other excessive movement during reading and writing
  • Consistently shows significant postural problems at all desk activities
  • Blur or visual discomfort with night driving
  • Dizziness or nausea when doing near work such as computer, reading and writing
  • Closes or covers one eye when reading or writing
  • Visual work is worse at the end of the day
  • Writing appears slanted as if writing up-hill or down-hill
  • Poor hand-writing due to unusual word or letter spacing or size, poor legibility
  • Lack of confidence walking or running, missing steps or stumbling
  • Omits (leaves out) small words when reading
  • Clumsiness, accident prone
  • Poor depth perception
  • Poor or inconsistent performance in sports
  • First response to a visual task is “I can’t”, says “I can’t” before trying
  • Short attention span for reading and writing
  • Easily distracted when reading and writing
  • Frequent eye rubbing, especially after prolonged visual tasks
  • Avoids social interaction
  • Avoids sports or games with quickly moving objects
  • Poor depth perception, does not judge distances accurately
  • Car sickness or motion sickness
  • Reading comprehension is generally low or declines quickly
  • Holds books very close, leans close to screens
  • Prefers being read to than to read himself/herself
  • Frequently loses belongings, forgetful
  • Poor spelling
  • Confuses likeness or minor differences
  • Whispers or speaks to self for reinforcement during silent reading periods
  • Discomfort in crowded visual environments
  • Objects straight ahead do not always appear straight ahead
  • Leans to one side when standing or walking
  • Explores more with hands (kinesthetic learner) than with their eyes
  • Sensitive to patterns, screens or fluorescent lighting
  • Side vision appears distorted, objects change or move place
  • Difficulty integrating multiple sensory stimuli such as background noise
  • Difficulty multi-tasking
  • Soreness or pulling sensation around or behind the eyes
  • Frequently falling to one side or bumping into things on one side of the body
  • Unable to attend to information on one side of body

Click here to download a PDF version of the  list