The whiteness underneath the eyelids can be caused by a variety of reasons, including localized depigmentation of the skin, milia, and conjunctival stones.
1. The first thing to consider is that it may be a localized depigmentation of the skin, which is usually associated with autoimmune reactions and other immune factors, common diseases such as vitiligo, etc. The main manifestation is the appearance of white patches on the inner side of the upper eyelid, but the more special is that there is no obvious skin bumps, and there is no pain, itching.
2. Secondly, also consider the possibility of cornrows, that is, eyelid fat accumulation of particles, the formation of the cause of the eyelid sebaceous gland openings are hyperplastic keratinized epithelium block, so that the sebaceous glands secrete oily secretions excessive silt, which is manifested in small white dotted plaques.
3. In addition, the white eyelids may also be conjunctival stones, usually produced on the inner surface of the eyelids, the mechanism is mainly the conjunctival cell metabolites in the local accumulation, excessive accumulation of white granular plaques will be formed.