Accommodative infacility also known as accommodative inertia is the inability to change the accommodation of the

eye Eyes are organs of the visual system. They provide living organisms with vision, the ability to receive and process visual detail, as well as enabling several photo response functions that are independent of vision. Eyes detect light and conv ...

with enough speed and accuracy to achieve normal function. This can result in visual fatigue,

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, and difficulty

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. The delay in accurate accommodation also makes vision blurry for a moment when switching between distant and near objects. The duration and extent of this blurriness depends on the extent of the deficit.

Signs and symptoms

Most common symptom of accommodative infacility is difficulty in changing focus from one distance to other.

Treatment

Vision assessment and cycloplegic refraction should be done. If there is any

refractive error Refractive error, also known as refraction error, is a problem with focus (optics), focusing light accurately on the retina due to the shape of the human eye, eye and or cornea. The most common types of refractive error are myopia, near-sightedne ...

s, it should be corrected before considering orthoptic treatments. The accommodative infacility is commonly treated with vision therapy/orthoptics; one study found that 12 weeks of treatment had a significant effect on visual accommodation.

References

Vision Eye Optometry Ophthalmology {{eye-stub