Causes of ectopia lentis:

ECTOPIC M&M


Eye degeneration (phthisis)
Choroidal tumours
Trauma
Overstretched zonules (buphthalmos / megalocornea)
AR with Pupil ectopy
Isolated AR
Cystathione beta-synthase deficiency (homocystinuria)
Marfans
&
Weill-Marchesani syndrome