A 30 year old man has 6/5 vision each eye

NEET PG Ophthalmology
#1

A 30 year old man has 6/5 vision each eye, unaided. His cycloplegic retinoscopy is + 0.0D sph. at 1 metre distance. His complaints are blurring of newsprint at 30 cm, that clears up in about two minutes. The most probable diagnosis is –

    1. Hypermetropia
    1. Presbyopia
    1. Accommodative inertia
    1. Cycloplegia

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EXP:

The patient in question complains of blurring of newsprint at 30 cm which clears up on its own in about 2 minutes. This indicates that the accommodative system is slow in making a change and represents a case of accommodative inertia. `Accommodative inertia refers to the delay in response of accommodation. Normally an accommodative change occurs in 1 sec. ’ ___Pradeep Sharma