A patient with an arc stain would most likely be caused by 

Patient has been comfortable with daily wear lenses for  6 month and has  20/20 acuity.  Diffuse redness/injection develops.  The likely cause is?

 What number would be used to convert from diopters to radius?

Fluorescein showing pooling at superior and inferior position with a central oval horizontal touch would indicate what type of fit?

Select the A.N.S.I. Tolerance or method/device used  to verify the Contact Lens parameters below.   Central Posterior Curve device:

Ks:   43.50/42.25@ 080.         Rx:  +5.00 +1.25 x 170 LENS DESIGN CHOICES:                                                                                                    SPHERICAL RIGID  RIGID BACK SURFACE TORIC OR BITORIC  RIGID FRONT SURFACE TORIC USING THE ABOVE LIST, INDICATE THE APPROPRIATE DESIGN FOR THE FOLLOWING PATIENTS:    

Fluorescein pattern showing pooling under the center of the lens (bright green) would indicate what type of fit?

Soft lenses that are not worn can remain in a MPS in the case for up to ______ before they need to be disinfected again.

In a follow up upon exam checking patients visual acuity  it is clear, then blurs with blink ,and  then clears again. This would indicate the lens is fit?  

What lens power would be used to extend the Keratometer range from 36.00D to 30.00 D