Low Light Vision Booster for RX-Wearers! Our sleek, smaller size ClipOn design fits nicely over today's fashion prescription eyewear. Wear during winter driving, at dusk or dawn and in other low light weather environments. Ideal for computer use, reading, watching TV and more! Our anti-glare StimuLight® amber-tinted lens filter helps reduce eyestrain and fatigue and enhances your vision in low light environments - both indoors and out! EZ-Clip-Flip mechanism offers wearer ease of use during varied light conditions.