im currently an optometry student and few days ago i had a posting with doctor. Then when I checked on a patient I saw some kind of detachment there but im not sure whether it is a vitreous...
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im currently an optometry student and few days ago i had a posting with doctor. Then when I checked on a patient I saw some kind of detachment there but im not sure whether it is a vitreous...
What's the surface power and refractive index?
Need help in solving this.
The fixed outer legs of a lens measure calibrated for spectacle crown glass, n=1.523, are separated by 18mm when the instrument is new, but in wear, become separated by...
got it. I misunderstood the question. that's why couldn't get the answer. thanks so much. :biggrin:
Can anyone please help me with this question?
A lens measure scaled for glass of refractive index 1.654 is placed upon a brass tube and the instrument is rotated until the legs lie at right angles...
Hope someone can help with this. Transpose the prescription +2.75DS/+1.50 x 90 to toric form with a -6.00D base curve. This toric lens is of refractive index 1.4985 and edged to a 46x40 oval...
Can anyone tell me what do positive fusional vergence (PFV) and negative fusional vergence (NFV) mean? Are they the same as positive fusional convergence and negative fusional convergence?
yes, the answer is correct!!!! thank you very much! appreciate this :happy::biggrin:
I need help in solving this question. Hope somebody could help with this.
Q: Which spectacle tools, calibrated for glass of refractive index 1.52 must be employed in order to produce the...