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Some lenses have special coatings, such as anti-reflective, scratch-resistant, or blue light filtering. Applying petroleum jelly to these lenses may affect the effectiveness of these coatings. If your lenses have a special coating, consult your eye doctor before applying any product to their surface.
2. Possible allergies or skin hypersensitivity
Although petroleum jelly is generally considered safe for topical use, some people may be sensitive or allergic to petroleum jelly-based products. It’s recommended to test a small amount of petroleum jelly on the rim of a glass or in an inconspicuous area before applying it to a larger area. This way, you can ensure the product won’t cause irritation or discomfort.
3. Application techniques
For best results, use only a small amount of Vaseline. Too much can leave a greasy residue that can impair vision or attract more dirt. The correct technique is to apply a thin, even layer with a soft cloth, then gently wipe away any excess. This method provides protection without compromising lens clarity.