Dry eyes occur when the eyes do not produce enough tears or when tears evaporate too quickly. This condition not only causes a gritty, burning sensation but can also lead to temporary blurry vision due to instability in the tear film on the corneal surface. Many seemingly harmless daily habits can exacerbate dry eyes.

Frequent air conditioner use can contribute to dry eyes. Air conditioners cool the air but also reduce environmental humidity. Dry air causes tears to evaporate faster, making eyes prone to irritation, redness, and dryness. Individuals working in enclosed offices or frequently using air conditioning for many hours daily face a higher risk of dry eyes.

Dehydration can impair tear production. When the body lacks sufficient water, eyes can become dry, irritated, and blurry, especially in hot weather or after intense physical activity. Maintaining a habit of drinking enough water daily supports lacrimal gland function and helps protect eye health.

Prolonged contact lens wear can disrupt the natural tear film. Contact lenses can affect the natural tear film, reducing moisture on the eye's surface. Wearing lenses for extended periods or improper cleaning can lead to dry, gritty, and blurry vision. If discomfort arises while wearing contact lenses, users should rest their eyes and consult an ophthalmologist.

Chronic sleep deprivation can hinder eye recovery and moisture retention. Adequate sleep allows the eyes to recover after a day of activity. Insufficient sleep or frequent late nights can reduce the eyes' ability to maintain natural moisture. Many people often experience dry eyes, heavy eyelids, redness, and impaired vision after a night of poor sleep.

Prolonged sleep deprivation can cause dry, red, irritated eyes. *Image created by AI*

Extended use of phones and computers significantly reduces blink frequency. Staring at screens decreases the frequency of blinking. With fewer blinks, tears are not evenly distributed across the eyeball surface, leading to rapid eye dryness and blurry vision, especially by the end of the day. This condition is common among office workers, students, and those who spend many continuous hours in front of computer screens or using phones for extended periods.

Exposure to cigarette smoke can irritate and damage the eye surface. Cigarette smoke contains numerous irritants that can cause inflammation and damage to the eye's surface. Smokers or those frequently exposed to secondhand smoke have a higher risk of developing dry eye syndrome than non-smokers. In addition to a burning sensation and red eyes, smoke can also accelerate tear evaporation, leading to temporary blurry vision.

Dry eyes can often be managed through lifestyle modifications, adequate rest, and the use of artificial tears as directed by a doctor. However, if blurry vision persists, if there is significant eye pain or redness, or if vision suddenly declines, individuals should seek medical attention for examination, as these could be signs of more serious eye conditions.

Bao Bao (Compiled)