Which vision issue can be commonly exacerbated by contact lens wear in individuals with dry eye syndrome?

Fluctuating vision is commonly exacerbated by contact lens wear in individuals with dry eye syndrome due to the instability of the tear film. Those with dry eye syndrome often experience varying amounts of moisture on the surface of the eye, which can lead to inconsistent vision clarity. When contact lenses are worn, they can disrupt the natural tear film and exacerbate dry eye symptoms, causing the vision to become more variable.

This condition is particularly related to the interaction between the lens and the tear film; if the tear film is not stable or sufficient, it can lead to fluctuations in vision throughout the day. Factors like environmental changes, lens type, or duration of wear can further influence these fluctuations, making individuals feel like their vision clarity is fluctuating rather than consistently clear.

Other vision issues, while they may be present in contact lens wearers with dry eye, are less directly related to the instability of the tear film caused by dryness. Blurry vision can result from various factors not specifically linked to dry eye, and double vision is often a separate neurological issue. Poor night vision can relate to other factors such as pupil size and lens opacities rather than the direct impact of dry eye on contact lens wear.