Assertion: albinism's difficulty | /r/CapableOf | focus eye
Facets:
value: fast,
type: MANNER
value: on the same point
type: TEMPORAL
Source sentences:
text: Someone affected by albinism may have an astigmatism, near- or far-sightedness, difficulty focusing both eyes on the same point (strabismus), fast, and involuntary eye movements (nystagmus).