Never knew before

• Even small scratches can distort vision, especially in bright light or at night
• Modern lenses have delicate coatings (anti-reflective, UV, blue light, scratch-resistant)
• Once these layers are damaged, the change is usually permanent

2. Common DIY methods and their limits

• Baking soda paste: may slightly reduce the look of very fine scratches, but risks stripping coatings
• Toothpaste: similar mild abrasive effect, but can cloud lenses and worsen clarity
• Car wax/fillers: temporarily mask scratches but don’t remove them and can leave residue
• Metal polishes (e.g., Brasso): strongly discouraged because they can permanently damage lenses

3. Why home fixes don’t really work

• Scratches aren’t surface dirt—they’re structural damage
• Abrasive methods often remove protective coatings instead of fixing the lens
• Results are inconsistent and can make vision worse
  
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