What systemic investigations are required for a patient with subluxated lens?

A crystalline lens subluxation can be associated with multiple systemic factors and hence systemic evaluation is required fin addition to just eye examination. Some systemic factors that cause lens subluxation have been mentioned on another post of this website. So the systemic investigations will be the following.

CBC - due to increased incidence of thormboembolic events in general anesthesia.

Serum or urine homocystein levels - to rule out homocysteinurea.

VDRL - So lens subluxation caused by syphilis.

Echocardiography - The ejection fraction must be adequate for patient to be operated under general anesthesia.

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Flash cards of high yield points for FCPS II

Posterior capsular rupture

The Mittendorf dot

The Mittendorf dot, determined by William Frederick Mitttendorf, is a congenital vascular abnormality of eye which takes place because of an involutional fault of the anterior terminus of anterior hyaloid artery. It manifests as a focal opacity in the infero-nasal element of the posterior lens capsular surface. It is a scientific version of persistent fetal vasculature (PFV), a spectrum of situations that rise up whilst fetal hyaloid vasculature fails to involute. The Mittendorf dot is concept to be connected to the posterior lens capsular surface itself; current research suggests the opportunity of a retrolental presence of the dot inside the anterior vitreous. A lone Mittendorf dot is a exceptionally benign clinical finding and no inflicting any visual impairment

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