Near Vision Unit
(product code: NVU)
- Sometimes called Mallett unit
- Rechargeable, and comes with plug-in
Adapter
- Able to stand upright on desktop
- Retractable measuring tape built into
the unit
- Tests include: fixation disparity,
foveal suppression, binocular balance, NPC,
stereopsis
- Polarised test for arc & suppression
in strabismus
- Polarised bichromatic test
- Measurement of monocular amplitude of
accommodation under binocular conditions
- Tangent scale & spotlight, N5-N12
Times reading fonts
- Dominant-eye & accommodation
convergence relationship test
- Visual acuity charts (both letter &
E) in decimal notation
- Unit is supplied with polarisation set
at 90/180 (most common in the UK)
- Made in the UK
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