Cone of light an ear disorder, as it could be due to the slope of the tympanic membrane or the shape of the ear canal. However, distortions in the cone of light can also be a sign of increased inner ear pressure or otitis media. Cone of light The cone of light, or light reflex, is a visible phenomenon which occurs upon examination of the tympanic membrane with an otoscope. Shining light on the tympanic membrane causes a cone-shaped reflection of light to appear in the anterior inferior quadrant. This corresponds to the 4 o'clock to 5 o'clock position in the right eardrum
Common name in English, including “stone curlews”, so the choice of the name “thick-knees” is not easy to defend but is a clear illustration of the hazards of the facile coinage of terminology. For collective nouns for various subjects see a list of collective nouns (e.g. a flock of sheep, pack of wolves) Some organizations have created official lists of common names, or guidelines for creating common names, hoping to standardize the use of common names. For example, the Australian Fish Names List or AFNS was compiled through a process involving work by taxonomic and seafood industry experts, drafted using the CAAB