Which of the following statements for persons suffering from presbyopia is/are correct? 1. They cannot distinguish colours. 2. It usually develops with ageing. 3. They wear either bi-focal lenses consisting of both concave and convex lenses or progressive
Presbyopia is an age-related condition affecting the eye's ability to focus on close objects. It does not impair color differentiation. Individuals often use bifocal or progressive lenses for correction.