Introduction Feeling like your eyes are constantly heavy, strained, or fatigued can quietly affect your daily productivity and overall comfort. Many people assume it’s simply due to lack of sleep, but persistent eye fatigue often signals deeper lifestyle, environmental, or health-related factors. In today’s digital age, where screens dominate both work and leisure, eye strain has become increasingly common across all age groups. However, the sensation of heaviness in the eyes is not always limited to screen exposure—it can be linked to underlying physical conditions, mental stress, or even nutritional...