A.B.O. Review Questions With Multiple Choice Answers

A.B.O. Review What would you recommend to a pilot who flies on a cloudy day? A. Yellow tint B. Gray tint C. Pink tint D. AR coating - A If you change a CR-39 -8.00D lens to a high index lens what might the patient complain of? A. Thick lens B. Heavy lens C. Chromatic abberation D. None of the above - C Lens clock reads: A. Minus for the BC plus for the OC B. Plus for the BC and minus for the OC C. Only the diopter values of the curves with no signs - B What would you recommend for a patient with allergy? A. Optyl B. Cellulose acetate C. Monel - A What would you recommend to an aphakic patient? A. UV protection B. Gray tint C. Green tint - A What would you recommend to a golf player? A. FT 22 B. RD 22 C. Executive D. RD 25 - B What would you recommend to a musician who wants to see his notes which are armlength away? A. SV reading glasses B. SV distance glasses C. SV intermediate glasses - C What is a quadrofocal lens? A. A trifocal lens B. A double D lens C. A trifocal with an inverted FT - C The usual depth for a FT 28 trifocal lens is: A. 7mm B. 8mm C. 10mm - A A patient wants a new pair of glasses for his bifocals. The seg height for new glasses is 22. The seg height for the old pair is 18. The distance between the lower eyelid and the seg line in the old pair is 4mm. What seg height would you order for this patient? A. 22m B. 18mm C. 4mm - B Would you recommend the following frame for a Double D lens for this patient? A:48 DBL:20, B 42, ED:52, PPD 65/60 seg height 22? A. No B. Yes C. Not enough information - A Calculate the seg inset for Double D lens for this patient; A:48 DBL:20, B 42, ED:52, PPD 65/60 seg height 22? A. 5mm B. 2.5mm C. 1.5mm - B Minus Rx glasses sliding down the nose: A. Will induce BU prism effect B. Will induce BD prism effect C. Will minify - A How do you check the patient's near PD in a FT bifocal? A. The distance between the outer edge of RT segment to inner edge of the LT seg. B. The distance between the outer edge of the Rt and LT segments C. The distance between the inner edges of the RT and LT segments - A Calculate the PD and Ht decentration for the following patient: 48/20 32/36 19/22 A.OD 2 in 2 down, OS 2 out 1 up B. OD 2 out 2 up, OS 2 in 1 down C. OD zero PED dec 2 down, OS zero PD dec 1 up - A Decreasing the VD in a +10.00 D lens will: A. Decrease the magnification and peripheral field of vision B. Decrease the magnification and increase the field of vision C. Increase the magnification and the field of vision - B Keeping the chin up during reading with a progressive means: A. The reading area is too low B. The reading area is high C. The patient needs less ADD - A