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Grid Pinhole Lens Design – Features precision perforated lenses that help control light entry and support more focused visual training and eye relaxation. Helps Reduce Visual Fatigue – Designed to assist in relieving eye strain caused by prolonged reading, studying, and screen time on computers, phones, and tablets. Lightweight & Comfortable Fit – Made from durable lightweight materials, ensuring comfortable wear during short daily eye relaxation or training sessions. Unisex Simple Design – Classic black frame suitable for both men and women, easy to use at home, office, or study environments. Suitable For Daily Eye Training – Ideal for students, office workers, and readers as part of visual exercise routines to support eye comfort and focus habits.