Fluorescein Patterns - RGP Lenses Flashcards
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updated 2 years ago by OpticalNerd
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1

Against the Rule Astigmatism
- Touch along the vertical meridian.
- Flattest Curve in the 90 Meridian
- Pooling (clearance) along
the horizontal meridian
- Steepest Curve in the 180 meridian
2

Flat Fit
- Apical touch
- Peripheral pooling (clearance)
3

Ideal Fit
- Even distribution of teas/fluorescein
- Bright ring of fluorescein around perimeter due to flatter peripheral curve.
4

Steep Fit
- Apical pooling (clearance)
- Peripheral touch
5

With The Rule Astigmatism
- Pooling (clearance) along the vertical meridian.
- Steepest Curve in the 90 Meridian
- Touch
along the horizontal meridian
- Flattest Curve in the 180 meridian
6
Against the Rule Astigmatism
- Touch along the vertical meridian.
- Flattest Curve in the 90 Meridian
- Pooling (clearance) along
the horizontal meridian
- Steepest Curve in the 180 meridian
7
Flat Fit
- Apical touch
- Peripheral pooling (clearance)
8
Ideal Fit
- Even distribution of teas/fluorescein
- Bright ring of fluorescein around perimeter due to flatter peripheral curve.
9
Steep Fit
- Apical pooling (clearance)
- Peripheral touch
10
With The Rule Astigmatism
- Pooling (clearance) along the vertical meridian.
- Steepest Curve in the 90 Meridian
- Touch
along the horizontal meridian
- Flattest Curve in the 180 meridian