A. The average range of distinct vision for a normal eye is from the far distance (infinity) up to about 25cm in front of the eye B. Longsighted people have difficulty in making the eye lense 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
