» Why Does Screen Use Affect the Eyes?

When using digital devices:

• Blink rate reduces by up to 50%

• Eyes focus continuously at a close distance

• Blue light exposure increases

• Poor posture and improper screen distance strain eye muscles

All these factors together lead to fatigue of the eyes and surrounding muscles.

» Common Symptoms of Computer Vision Syndrome

CVS symptoms may appear gradually and worsen with continued screen use:

• Eye strain or tired eyes

• Burning, itching, or dry eyes

• Blurred or fluctuating vision

• Headaches, especially after screen work

• Red or watery eyes

• Neck, shoulder, or back pain

• Difficulty focusing after screen use

Symptoms usually improve with rest but may return if habits are not corrected.

» Who Is at Higher Risk of CVS?

You are more likely to develop CVS if you:

• Use screens for 6–8 hours or more daily

• Work on computers without breaks

• Use mobile phones excessively

• Have uncorrected refractive errors (glasses needed)

• Have dry eye disease

• Sit with poor posture or improper lighting

Children attending online classes are also increasingly affected.

» How Is CVS Diagnosed?

Diagnosis is done through a comprehensive eye examination, which may include:

• Vision testing

• Assessment for dry eyes

• Refraction (spectacle power check)

• Evaluation of eye focusing and coordination

Identifying the root cause helps in effective relief.