AO TYPE REFRACTOR HEAD

Manufacturer: GRAFTON
Product code: AU11625K
 

 

 

 

 

  • New generation phoropter featuring large dial with centralised operation

  • Improved operating performance

  • Cross cylinder auto connects with the cylinder lens coordinate

  • Built in synchronised link in astigmatic lens and axis control

  • Various built in auxiliary lenses for general checking of ophthalmic function

Sphere power range                     

+16.75D to -19.00D, with min reading of 0.25D or 0.12D

(when +0.12D auxiliary lens or optional +/- 0.12D lens is in use)

+26.75D to -29.00D (when optional +/- 10.00D lens is in use)

Cylinder power range                    

0.00D to -6.00D, Step: 0.25D or 0.5D (when lens auxiliary is in use)

0 to -8.00D (when -2.00D auxiliary lens is in use)

Asigmatic axis scale                       

0° to 180°, Step 5°

Cross cylinder                                 

+/- 0.25D or +/- 0.50D optional

Rotary prism                                    

0 to 20 Δ D in 1 Δ D

Interpupillary adjustment              

48mm to 75mm in 1mm step (right & left synchronised)

Forehead rest adjustment            

16mm backwards & forwards

Convergence                                    

The optical axis of the lenses are aligned at a distance of 400mm from the vertexes of the corneas (2mm each for right and left inward) interpupillary distance enabling convergence = 51mm to 80mm

Corneal distance device                 

2mm forward and 5mm backward from standard plane

Effective field of view                     

19mm

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© Copyright Grafton Optical Company Ltd 2017, United Kingdom