FB-N1000 near vision tester enables a complete refractive and binocular vision investigation to be carried out with the head and eyes in their normal posture at any working distance.
The refractive tests include:
Measurement of visual acuity using Snallen letter and illiterate E-chart, and Times Roman reading types.
Accurate determination of presbyopic additions and other near corrections.
Near vision astigmatism tests.
Amplitude of accommodation including monocular measurements under binocular conditions.