SmallAngleIllumination(SAI)distributeslightmoreevenly,andreducesshadowsinthesurgicalfield,providing:increaseddetailvisibility,improveddepthperception,anddeeperlightpenetration.Thisconcentratedlightbeamisespeciallybeneficialfornarrowsurgicalaccesstechniquessuchasintra-tracheal,transsphenoidalorMETRx?.