1. fatigue or discomfort of the eyes caused by prolonged use or poor lighting conditions

Examples

• Reading in dim light can cause eyestrain.
• She developed eyestrain from staring at her computer screen all day.
• The doctor recommended taking breaks to prevent eyestrain.
• Proper lighting can help reduce eyestrain while studying.
• His eyestrain improved after he got new glasses.
• Many office workers experience eyestrain from prolonged screen time.