Which of the Following is Defined as the Involuntary Rhythmic

Question

Which of the following is defined as the involuntary rhythmic oscillating movements of the eyes?
A) Presbyopia
B) Nystagmus
C) Emmetropia
D) Myopia

Accepted Answer

Nystagmus is the involuntary rhythmic oscillating movements of the eyes, which can be horizontal, vertical, or rotary. Presbyopia refers to the age-related loss of the ability to focus on close objects, while emmetropia is the state of normal vision. Myopia, also known as nearsightedness, is a condition where distant objects appear blurry.