When assessing an adolescent with latent nystagmus, which finding should the nurse expect?
A) Nystagmus occurs when both eyes are open.
B) Nystagmus occurs in a vertical direction.
C) Nystagmus is directed away from the covered eye.
D) Nystagmus is present when both eyes are closed.
C) Nystagmus is directed away from the covered eye.
Explanation: A) Latent nystagmus develops in some individuals with amblyopia and strabismus and is present from infancy. This nystagmus is not present when both eyes are open but becomes visible when one eye is covered. Latent nystagmus is horizontal in nature, but the direction of the nystagmus can change and is always directed away from the eye that is covered.
B) Latent nystagmus develops in some individuals with amblyopia and strabismus and is present from infancy. This nystagmus is not present when both eyes are open but becomes visible when one eye is covered. Latent nystagmus is horizontal in nature, but the direction of the nystagmus can change and is always directed away from the eye that is covered.
C) Latent nystagmus develops in some individuals with amblyopia and strabismus and is present from infancy. This nystagmus is not present when both eyes are open but becomes visible when one eye is covered. Latent nystagmus is horizontal in nature, but the direction of the nystagmus can change and is always directed away from the eye that is covered.
D) Latent nystagmus develops in some individuals with amblyopia and strabismus and is present from infancy. This nystagmus is not present when both eyes are open but becomes visible when one eye is covered. Latent nystagmus is horizontal in nature, but the direction of the nystagmus can change and is always directed away from the eye that is covered.
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