<prompt> A patient presents to the emergency depament with uniocular diplopia. Examination iwth oblique illunination shows golden crescent while examination with co-axial illumination show a dark crescent line. Which of the following is the most likely diagnosis -LenticonusColobomaMicrospherophakiaEctopia lentis  <response>: Presence of uniocular diplopia together with finding of golden crescent on oblique illumination edge of subluxated lens or black crecent line on coaxial illumination edge of subluxated lens suggests a diagnosis of subluxation of the crystalline lens. Ectopic lentis refers to displacement of lens from its normal position subluxation, dislocation. Ref: Ophthalmology by khurana 7the p.222 2005e p.24; Clinical Examination in by Mukherjee 2006e p.166; Neema 6the p.285, 286 