NCLE Basic Exam Study Guide 2024 with Complete Solutions

NCLE Basic Exam Study Guide 2024 with Complete SolutionsNCLE Basic Exam Study NCLE Basic Exam Study Guide 2024 with Complete SolutionsNCLE Basic Exam Study Guide 2024 with Complete SolutionsGuide 2024 with Complete Solutions Diffused Illumination - ANSWER--Uses widest slit, longest aperture -Light source positioned at an angle of 40º-50º -Used to view overall areas, to observe the ocular adnexa, cornea, sclera, lids, conjunctiva, lens surface, and CL fitting characteristics Direct Illumination - ANSWER--Most important/useful illumination -Light source positioned at an angle of 40º-50º to oculars -Light beam and oculars are focused in coincidence on area being evaluated -The difference in the illumination is not the angle used, but where the beam is directed or focused and the width -Varying width and aperture creates different illuminations Optic(al) Section - ANSWER--Type of direct illumination that uses a narrow beam to create a cross-section of the cornea -Used to illuminate and observe individual layers of the cornea and tear film