Signs the eyes are working too hard
Children rarely complain: they assume everyone sees this way. The clues are usually in how they read, not what they say.
Symptoms to look out for
Part 03 · 01Tired, sore eyes
Strain after reading or screens.
Headaches
Especially later in the day.
Blur or double vision
Often after a few minutes of close work.
Moving words
Words moving, swimming or running together.
Losing their place
Skipping lines or rereading.
Poor concentration
Or avoiding close work.
Reading behaviour you may notice
Part 03 · 02Holding things close
Books or devices held unusually close.
Turning the head
Turning the head to one side while reading.
Covering one eye
Covering or closing one eye to read.
Avoiding it altogether
Avoiding reading or homework.
These signs can overlap with learning or attention difficulties. A binocular vision assessment rules the eyes in or out; it doesn’t replace an educational assessment.
Book an assessmentReading the clues
For optometristsHead turn
Points toward a horizontal deviation.
Head tilt
More suggestive of a vertical or cyclovertical problem.
Suppression or diplopia
Ask when it happens: near only, end of day, or constant.
Accommodation propping up an exophoria
For optometristsA decompensating exophoria may recruit extra accommodation to pull in accommodative convergence. Watch for:
Reduced working distance
Holding material closer than expected.
Blur after near work
Accommodation held in over-drive.
Fluctuating vision
Clear, then not, through the day.
Pseudomyopia
A myopic shift that doesn’t match the refraction.
Treat a close working distance as a sign to look for, not a fixed rule: it also raises convergence demand.
Key takeaways
Part 03- 01Children seldom complain; watch how they read.
- 02Head turn, covering one eye and holding things close are the classic clues.
- 03In exophoria, unexplained blur or pseudomyopia can mean accommodation is propping up alignment.
Book a binocular vision assessment
Headaches, moving words or a head turn while reading? Let’s find out whether the eyes are the cause.
General health information only, not personal advice. Everyone’s eyes are different. An optometrist or doctor should examine you before any treatment is decided.