Accommodation relaxes in binocular single vision and therefore binocular addition may not be necessary as balancing with monocular fogging may have already relaxed accommodation maximally. However, binocular addition can be used as a final check to ensure that the accommodation is completely relaxed. Binocular addition can be useful for patients requiring maximum plus such as low hyperopes with near work symptoms.
Presbyopia is a refractive condition in which the accommodative ability of the eye is insufficient for near vision work. It usually occurs at 40-45 years of age but may be earlier in people living in hot climates, people with short arms/working distances and hyperopes and later in people with lon...
