Eyestrain.

Visual stress / by: (Language materials, printed)

Visual Stress. by: (Electronic resources)

Diagnosing and treating computer-related vision problems by: (Electronic resources)

Computer Terminals.

Occupational Diseases- prevention & control.

Computer users- Health and hygiene.

Eyestrain.

Video display terminals- Health aspects.

Vision disorders.

Asthenopia.

Vision Disorders- therapy.

Vision Disorders- diagnosis.