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R004 Binocular balancing

Refraction procedures • 40s

Up Next in Refraction procedures

  • R005 Binocular addition

    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 rela...

  • R006 Determination of near add.

    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...