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Lens scratches are small marks or grooves on eyeglass or sunglass lenses that can scatter light and make vision feel hazy or streaky. Some scratches sit in the lens material, while others affect a surface coating. Even light scratches can feel worse at night or in bright sun because glare becomes more noticeable. Deep scratches usually mean the lens needs replacement.
read more about lens scratches ...Scratches often start when dust, sand, or dried debris gets rubbed across the lens during cleaning. Wiping lenses dry with a shirt, tissue, or paper towel can drag tiny particles and leave marks.
Loose storage in a bag or pocket can also scratch lenses when the surface rubs against keys or metal edges. Some coatings wear over time, which can look like fine scratching even with careful care.
Most scratches cannot be safely removed without changing the lens surface. Polishing or abrasive fixes can leave permanent haze, especially on lenses with anti-reflective coating.
If the mark is residue (like dried cleaner or oil), proper washing can clear it. If the mark catches a fingernail or stays visible after cleaning, replacement is usually the cleanest fix.
Rinse lenses with lukewarm water first, then wash with a small drop of mild dish soap and clean fingers. Dry with a clean microfiber cloth that stays free of grit.
Store glasses in a hard case and avoid placing lenses face-down. Replace microfiber cloths once the fabric starts to feel rough or collects debris.
Scratches can create glare and halos, especially while driving at night. If vision feels off, compare both lenses in bright light to see whether marks sit in the viewing area.
If scratches sit on a coating that is peeling or patchy, the lens surface can look cloudy even after cleaning. An optician can confirm whether a simple lens swap or a full replacement makes more sense.
A scratch does not change lens power, but it can scatter light and make vision feel less clear. If blur or glare is noticeable, lens replacement can help.
Toothpaste and other abrasives can create more haze and can damage lens coatings. If a scratch is visible, a safer option is lens replacement.
At night, bright points of light (like headlights) reflect and scatter more, so small marks can trigger glare and halos. Anti-reflective coating damage can make this effect stronger.
Coating damage often looks like fine, patchy marks that change with viewing angle, while deeper lens scratches tend to look like a clear line that stays visible in the same spot. If the mark feels smooth but looks cloudy, coating wear is more likely. If the mark catches a fingernail, the lens surface is probably scratched. An optician can check under bright light to confirm.
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