Don't worry...... Specific medicine available for good control... Treatment depends on the severity..Do direct online consultation for detailed prescription by sending photos.

Hello there Dark circles can be of many causes. Sometimes children get it due to nutritional deficiency too. And as you mentioned his screen time is too much due to online cases. Firstly just make sure your kids don't have strained eyes. Sometimes due to excessive screen time kids start having difficulty in focussing. U need to consult an opthalmologist for that. 2ndly increase iron rich diet if your kids meal like green leafy veg, pomegranate etc. 3rdly u can consult a dermatologist if still your issue is not resolved. Hope this resolves your query.