43. Sources of errors ...
Heights
Monocular PDs
Swapped lenses
Wrong power & axis
44. Complaints & Remedies...
PROBLEM
Blurry Distance Vision Possible Causes
⢠Fitting too high
⢠Incorrect Rx
Remedies
⢠Open the nose pads
⢠Remake lenses
45. Complaints & Remedies...
PROBLEM
Blurry Near Vision Possible Causes
⢠Fitting too low
⢠Inadequate pantoscopic
tilt
⢠Incorrect Rx
Remedies
⢠Bring in nose pads
⢠Frame adjustments
⢠Remake lenses
47. Complaints & Remedies...
PROBLEM Possible Causes
Reading area too small ⢠Incorrect PD
⢠Fitting heights too low
Remedies
⢠Frame adjustments
⢠Refit lenses
48. Complaints & Remedies...
PROBLEM
Possible Causes
Having to look to the side
⢠Incorrect PD
to read
⢠Swapped lenses
Remedies
⢠Refit to correct PDs
⢠Swap lenses if frame
symmetrical
49. Complaints & Remedies...
PROBLEM
Possible Causes
Having to tilt head too far
⢠Incorrect PD
back to read
⢠Add too weak
⢠Change in design
Remedies
⢠Bring in nose pads
⢠Increase the add
⢠Refit lenses
50. Complaints & Remedies...
PROBLEM Possible Causes
Having to tilt head ⢠Undercorrected
hyperope
backward for distance
⢠Overcorrected myope
Remedies
⢠Repeat the refraction
⢠Refit lenses
51. Complaints & Remedies...
PROBLEM Possible Causes
Having to tilt head ⢠Add too strong
forward to read
⢠Remedies
⢠Repeat the refraction
⢠Refit lenses
52. Complaints & Remedies...
PROBLEM Possible Causes
Having to tilt head ⢠Fitting height too high
forward for distance
Remedies
⢠Frame adjustment
⢠Refit lenses