Varilux Fitting… | katamatakita
1. Frame Selection velata warmer 1 Ensure minimum depth below pupil of 18mm for Varilux Panamic & Comfort, and 20mm for Varilux Expert. 2 Adjust frame before taking measurements. 3 Set Vertex distance at 12-14mm and pantoscopic tilt at 7þ- 15þ.
2. Measurments 1 Take Monocular PDs (use Digital Pupilometer for accuracy). 2 Take Monocular fitting heights while the patient is looking straight ahead. Fitting height should be no lower than the centre of the pupil. Allow for frame slippage and avoid parallax by viewing the patient on the same eye level. 3 Check the lens will cut out with the centring chart. Select another frame if necessary.
3. Verification 1 Locate laser-engraved circles and add to confirm the lens is the correct type. 2 Confirm monocular PDs and fitting heights are within 0.5mm. 3 Check distance velata warmer prescriptions. 4 Check add power. This is shown below the temporal engraved circle or it can be read as the difference between the front vertex distance and near powers. 5. Check prism power at prism reference point. Standard thinning prism is 2/3 add base down.
1 Leave markings on lenses or re-mark them. 2 Fitting cross should be no lower than pupil centre. 3 Remove markings. 4 Demonstrate distance, intermediate and near viewing areas. 5 Issue Certificate of Origin. velata warmer
Increase facial wrap of frame
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1. Frame Selection velata warmer 1 Ensure minimum depth below pupil of 18mm for Varilux Panamic & Comfort, and 20mm for Varilux Expert. 2 Adjust frame before taking measurements. 3 Set Vertex distance at 12-14mm and pantoscopic tilt at 7þ- 15þ.
2. Measurments 1 Take Monocular PDs (use Digital Pupilometer for accuracy). 2 Take Monocular fitting heights while the patient is looking straight ahead. Fitting height should be no lower than the centre of the pupil. Allow for frame slippage and avoid parallax by viewing the patient on the same eye level. 3 Check the lens will cut out with the centring chart. Select another frame if necessary.
3. Verification 1 Locate laser-engraved circles and add to confirm the lens is the correct type. 2 Confirm monocular PDs and fitting heights are within 0.5mm. 3 Check distance velata warmer prescriptions. 4 Check add power. This is shown below the temporal engraved circle or it can be read as the difference between the front vertex distance and near powers. 5. Check prism power at prism reference point. Standard thinning prism is 2/3 add base down.
1 Leave markings on lenses or re-mark them. 2 Fitting cross should be no lower than pupil centre. 3 Remove markings. 4 Demonstrate distance, intermediate and near viewing areas. 5 Issue Certificate of Origin. velata warmer
Increase facial wrap of frame
Situs web
Buat situs dengan WordPress.com
%d blogger menyukai ini:
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