Dislocation of the Lens

Delay in diagnosis of homocystinuria: retrospective study of consecutive patients

“…The importance of differentiating homocystinuria from Marfan's syndrome has been pointed out previously 15 16 17. Even after 1962, when homocystinuria was described,18 19 several papers dealing with Marfan's syndrome either included cases of homocystinuria20 21 or did not provide sufficient evidence that homocystinuria had been excluded 22 23 24 25 26 27 28. Furthermore, in cases in which ophthalmologists are aware of the necessity to exclude homocystinuria, the correct diagnosis can be missed due to inadequate biochemical investigation.…”

Management of subluxated and dislocated lenses with the vitrophage.

“…In a large series reported by Jarrett (1967), for example, there was an incidence of vitreous loss of 41%, and one-third of these eyes became blind.…”

“…Seven eyes (54%) had postoperative vision of counting fingers or less. In Jarrett's series (Jarrett, 1967) there were 31 cases of traumatically dislocated lenses associated with glaucoma. Removal of lenses in 24 eyes led to control of glaucoma in only 6 eyes.…”

“…Surgical techniques previously used for removing subluxated or dislocated lenses have included discission, aspiration, lens extraction with forceps or loop, and cryoextraction. Unfortunately these procedures have been associated with a high incidence of operative and postoperative complications (Jarrett, 1967;Barraquer, 1972;Liesman, 1972), such as vitreous loss, retinal detachment, and glaucoma. For this reason many ophthalmologists have considered surgery for dislocated lenses to be very risky and have avoided operating on such eyes.…”

Lens dislocation following trauma sustained 40 years ago during cataract surgery pre-assessment

“…Anterior segment trauma (53%) is the most common cause of spontaneous lens dislocation in adults [4]. We present a case of lens dislocation following routine pupillary dilatation during preoperative evaluation prior to cataract surgery.…”