Hypermetropia
Hypermetropia is a defect in which a person sees distant objects clearly but nearby objects appear blurred.
Practice This ConceptMain explanation
Teacher explanation
In hypermetropia, light from a nearby object is focused behind the retina instead of on it. This may happen because the eyeball is too short or the eye lens has too little converging power. A convex lens is used for correction because it helps the eye converge the rays earlier.
Example
An elder person may see the classroom board well but need to hold a newspaper farther away to read comfortably.
Simple analogy
Hypermetropia means far clear, near blurred.
Common confusion
Students often reverse myopia and hypermetropia and choose the wrong corrective lens.
Exam tip
For hypermetropia, always mention behind the retina and the use of a convex lens.
Answer writing and exam use
1-mark use
Write the exact meaning of hypermetropia in one clean line.
2-mark use
Define hypermetropia and add one example or condition.
3-mark use
Explain hypermetropia, show the method or example, and mention the common mistake.
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