Layer by Layer

Crossword Across 3. Into the middle layer I go, I flatten a mountain and deserve a bow! 5. A tenacious layer is who I am; I herniate, and the patient is in pain! 7. Seeing element No. 29 in layer No. 5 should help you decide the disease. 8. It is responsible for the reflex tearing, pain, and blinking; to which nerve plexus am I referring? 10. I am a pigment, very attached to breaks in the topmost corneal layer. 12. Remove a lenticule and throw away your glasses! Down 1. Technology to notice any bumps on the otherwise smooth corneal road! 2. A golden-brown epithelial keratopathy, but I rarely cause a Visual “pathy”! 4. Keratitis, no pus, candy floss…. Who I am I boss? 6. Part of halogen bulb commonly seen ‘stuck’ on the first corneal layer in various conditions? 9. A stromal dystrophy is who I am, Masson trichome reveals what color I stain! 11. Genetically and rarely I present in kids, I affect a layer but the entire cornea takes a hit! Answers OSCE Questions Q1. Identify the instrument in Figure 1a?Figure 1: (a) Corneal esthesiometer. (b) Alger brushQ2. What is this instrument commonly used for? Q3. Identify the instrument in Figure 1b? Q4. What is the instrument commonly used for? Answers A1. Corneal Esthesiometer A2. A corneal esthesiometer is used to measure corneal sensations, that is, the function of the ophthalmic division of the trigeminal nerve. It measures the corneal sensation quantitatively in contrast to the commonly used technique of qualitive measurement of corneal sensation using a cotton tip applicator.[1] A3. Alger Brush A4. Alger Brush is a battery-operated powered burr that can be used to remove corneal foreign bodies It is especially useful for the removal of superficially embedded metallic corneal foreign bodies along with the removal of the rust ring to prevent late infections of inflammatory reactions.[2] Financial support and sponsorship Nil. Conflicts of interest There are no conflicts of interest.