Can Dirty Glasses Cause Eye Strain?
Dirty glasses can very much hamper vision and overall eye comfort. Smudges, dust, and grime on lenses cause much more eye strain, headaches, and general fatigue than people realize. This paper examines the link between dirty spectacles and eye strain, based on expert opinions and scientific evidence. How Dirty Glasses Affect Your Eyes 1. Reduced Visual Clarity When there is a deposit of fingerprints, dust, or any marks on the surface of a lens, there is compromised vision of the lens. The natural response would be the need for the extra focusing effort of the eyes, hence resulting in a certain degree of strain and discomfort. The Journal of Optometry states that diminished visual acuity, because of the obstruction at the lens surface, provokes an increased rate of blinking, along with fatigue of the eyes. 2. Increased Glare and Light Scattering Dirty glasses provide more glare from screens, headlights, and sunlight. It may be harder for the eyes to adjust to different lighting conditio...