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Bi-focal as it is clear that is has two focal length when a person. Is suffering from presbyopia he can't see the nearby as well as farby object in a bi-focal lens the bottom one lens is the concave lens whereas the upper one is the convex lens?
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Bi-focal as it is clear that is has two focal length when a person. Is...
The bottom lens is concave lens which helps for short sightedness and is suitable for reading etc whereas the convex lens helps for long sightedness which helps us to see far objects . Presbyopia is most common in old age people so they use bifocal lens which helps them to see near and distinct objects more clearly
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Bi-focal as it is clear that is has two focal length when a person. Is suffering from presbyopia he can't see the nearby as well as farby object in a bi-focal lens the bottom one lens is the concave lens whereas the upper one is the convex lens?
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Bi-focal as it is clear that is has two focal length when a person. Is suffering from presbyopia he can't see the nearby as well as farby object in a bi-focal lens the bottom one lens is the concave lens whereas the upper one is the convex lens? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Bi-focal as it is clear that is has two focal length when a person. Is suffering from presbyopia he can't see the nearby as well as farby object in a bi-focal lens the bottom one lens is the concave lens whereas the upper one is the convex lens? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Bi-focal as it is clear that is has two focal length when a person. Is suffering from presbyopia he can't see the nearby as well as farby object in a bi-focal lens the bottom one lens is the concave lens whereas the upper one is the convex lens?.
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