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VT-10



Kort beskrivning

VT-10
VT-10 är Topcons version av den mest beprövade foroptermodellen genom tiderna. Läs mer>

Nyckelegenskaper

  • Kompakt design
  • Enkel att använda
  • Brett mätområde
  • Konvergenssystem för närtest

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Specifikationer

Item and range of measurement
The value in ( ) is with accessory lens or auxiliary lens attached
Myopia 0 to –19.00D in 0.25D step (0.12D step)
Hyperopia 0 to +16.75D in 0.25D step (0.12D step)
Astigmatism 0 to –6.00D (– 8.00D) in 0.25D step (0.12D step)
Cross-Cylinder ±0.25D (±0.37D and ±0.50D as option)
Phoria and vergency 20∆ to 0 to 20∆ by 1∆ step
Inner 40∆
Outer 40∆ (50∆)
Upward and Downward 40∆ (46∆)
Near vision test Main optical axes of both lenses converges by means of a tilt mechanism at 40cm in front of the eyes at 64mm P.D. If P.D. for far vision is less than 54mm, converging operation stops.
Binocular balance test Rotary prism and polarizing lens methods are available.
P.D. 48 to 75mm by 1mm step
Level adjustment More than 4.5° for right and left banks
Dimensions 335 (at 64mm P.D. setting) x 97 x294mm
Weight 4.5 kg
Content of auxiliary lens dial “O/O” – Open Aperture
“R” – Retinoscopic Lens: + 1.50D standard; + 2.00D option
“P” – Polarizing filter
“WMV/RMV” – Maddox Rod, vertical: white (left); red (right)
“WMH/RMH” – Maddox Rod, horizontal: white (left); red (right)
“GL” – Green Lens (left)
“RL” – Red Lens (right)
“+.12” - + 0.12D Spherical
“PH” – Pin Hole
“10 l” – 10 Diopter Prism Base In (left)
“6 U” – 6 Diopter Prism Base Up (right)
“±.50” – ± 0.50D Fixed Cross Cylinder
“OC” – Occluder
Plus and minus cylinder models available, also the choice of color – black or light grey.


Beskrivning

VT-10 är utrustad med korscylinder som roterar automatiskt tillsammans med cylinderaxeln för bekväm och snabb refraktionsbestämning.

Enkelt konvergenssystem av de optiska huvudena skapar naturliga förhållanden vid närtester.

Antireflexbehandlad optik eliminerar bländning, spökbilder och reflexer. Det innebär klarare, tydligare sikt med bättre kontrast.

 

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