Like TTArtisan’s other lenses, the 23mm F1.8 features an aluminum body, offering better durability than you may expect for the budget price. It’s also very lightweight, weighing 210 grams (7.4 ounces) ...

It’s all wrapped in a new attractive chassis that eschews the curved body of the L9H for a more angular rectangle shape with a sweeping semicircle indentation in the top where the lens is housed.

Contact lenses that allow higher levels of oxygen to pass to the eye could potentially reduce the risk of some complications. Overwearing regular soft contact lenses can lead to a condition called ...