images due to phase-corrected Bak-4 prisms and fully multi-coated lenses.A modern look and graspable shape are united in a design that fits in the hand well for both quick use and prolonged observation.Focusing

phase-corrected Bak-4 prisms and fully multi-coated lenses.A design that unites a modern look, graspable shape and optimal weight of 1,038 grams, and also lies well in the hand for prolonged observation. The open

read text. How presbyopia occurs A young eye lens is very elastic and is therefore able to change shape easily. This allows us to focus the eyes on both near and distant objects, and enables us to see clearly

accommodation mean? Accommodation is the ability of the eye to focus on objects close up by varying the shape of the lens. This ability is lost as we age. The resulting age-related presbyopia can be corrected