Lenses designed to help people with color vision deficiency see some colors and differences between them more clearly. To pass military medical examinations. ✨ What distinguishes them? ✅ Helps improve the recognition of some colors ✅ Comfortable to use ✅ Suitable for daily use ✅ A different visual experience depending on the type of color blindness There is a purchase invoice and the sale is permissible. Contact via WhatsApp only. ( Phone number appears when clicking the contact button )