What is the purpose of an optic section in examining the cornea?

An optic section is crucial in examining the cornea because it allows for a detailed cross-sectional view of the different layers that make up the cornea. This technique, often used in slit-lamp examinations, helps eye care professionals assess the health and integrity of the cornea by providing insight into its multiple layers, such as the epithelium, stroma, and endothelium. This is important for identifying abnormalities, such as layers that may be thickened or damaged due to disease or trauma.

The other options focus on different aspects of ophthalmic examination. For instance, displaying lens shape and defects pertains more to evaluating the crystalline lens rather than the cornea. Measuring overall lens power relates to assessing the refractive characteristics of the lens, not the cornea. Highlighting surface reflections does not provide the depth of information necessary to assess corneal health and structure effectively. Therefore, the purpose of an optic section aligns directly with providing an in-depth view of corneal layers, making it the correct focus in this context.