Why Bastar tribals are offering sunglasses at this temple

The Bastar region in India is known for its tribal traditions and culture, including the unique worship of 'Chashmewali Devi' in Kotamsar village, where locals offer sunglasses to the goddess for eye protection during conjunctivitis season.

from Times of India https://timesofindia.indiatimes.com/city/raipur/bastar-tribals-offer-sunglasses-to-chashme-wali-devi-to-prevent-conjunctivitis/articleshow/111146527.cms