The defect of the eye lens which occurs when the ciliary muscles are weak is
A
Spherical aberration
B
Astigmatism
C
Presbyopia
D
Myopia
Verified Correct Answer: C.
Physical Principles & Numerical Solution
Presbyopia: Caused by aging and weakened ciliary muscles, making it hard to focus on nearby objects.
Source: WAEC / JAMB / NECO Classroom Archive (Record #70517)