Question 48
Lenses and Optical InstrumentsWhich of the following statements is NOT correct?
- A.The average range of distinct vision for a normal eye is from the far distance (infinity) up to about 25 cm in front of the eye
- B.Longsighted people have difficulty in making the eye lens sufficiently powerful to focus on nearby objects.
- C.Shortsighted people cannot accommodate distant objects
- D.Longsighted people need diverging spectacle lenses
- E.A person with long sight has his eye-ball too short and the image of an object is therefore formed behind the retina.
Show the answer and explanation
Answer: D (Longsighted people need diverging spectacle lenses)
Explanation
Long sight is corrected with converging lenses, not diverging lenses.