ODP CONTACT LENS FINAL EXAM
VERSION 1 AND 2 NEWEST 2025 ACTUAL
EXAM COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
(BRAND NEW VERSION!)
What are the layers of the corneal from inside out? -CORRECTANSWER Endothelium,
Descemet's membrane, Stroma, Bowman's Layer, Epithelium
What staining pattern will have a large break or area of erosion? -CORRECTANSWER
Abrasion
What is the index of refraction of the cornea? -CORRECTANSWER 1.376
What is the typical optical zone diameter of a corneal alignment fit? -
CORRECTANSWER 8.0 mm
Who Will Likely need corrective lenses at a younger age? -CORRECTANSWER A
myope
Where can the chemical make-up of a hydrogel lens be found? -CORRECTANSWER
Package insert
, How long should a soft lens be allowed to settle on the eye before evaluation the fit? -
CORRECTANSWER At lest 20 minutes
Scleral lenses should be inserted: -CORRECTANSWER Directly on the cornea
What type of astigmatism may be revealed when a rigid contact lens is applied? -
CORRECTANSWER Lenticular
At what power do you make adjustments for vertex distance? -CORRECTANSWER +
or - 4.00
How can a flat cornea, even down to 31.00 diopters, be measured? -
CORRECTANSWER With the use of a -1.00 trial lens
What instrument is used to determine the power of a rigid contact? -
CORRECTANSWER Lensometer
What is the primary funtion of the digital corneal topographer? -CORRECTANSWER
Measure the curvature of the cornea
A special lens with a soft holder lens and a rigid center used to treat keratoconus is
called: -CORRECTANSWER The piggyback
VERSION 1 AND 2 NEWEST 2025 ACTUAL
EXAM COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
(BRAND NEW VERSION!)
What are the layers of the corneal from inside out? -CORRECTANSWER Endothelium,
Descemet's membrane, Stroma, Bowman's Layer, Epithelium
What staining pattern will have a large break or area of erosion? -CORRECTANSWER
Abrasion
What is the index of refraction of the cornea? -CORRECTANSWER 1.376
What is the typical optical zone diameter of a corneal alignment fit? -
CORRECTANSWER 8.0 mm
Who Will Likely need corrective lenses at a younger age? -CORRECTANSWER A
myope
Where can the chemical make-up of a hydrogel lens be found? -CORRECTANSWER
Package insert
, How long should a soft lens be allowed to settle on the eye before evaluation the fit? -
CORRECTANSWER At lest 20 minutes
Scleral lenses should be inserted: -CORRECTANSWER Directly on the cornea
What type of astigmatism may be revealed when a rigid contact lens is applied? -
CORRECTANSWER Lenticular
At what power do you make adjustments for vertex distance? -CORRECTANSWER +
or - 4.00
How can a flat cornea, even down to 31.00 diopters, be measured? -
CORRECTANSWER With the use of a -1.00 trial lens
What instrument is used to determine the power of a rigid contact? -
CORRECTANSWER Lensometer
What is the primary funtion of the digital corneal topographer? -CORRECTANSWER
Measure the curvature of the cornea
A special lens with a soft holder lens and a rigid center used to treat keratoconus is
called: -CORRECTANSWER The piggyback
