Page 1 of 1: galactosemic cataract

solo · Credits: 518 My Scrapbook

which is not correct about the cataract in cases of galactosemia
1.it is most often central
2.it is zonular or lamellar
3.involves the embryonal and foetal nuclei
4.is polar
5.trt is lactose free diet
i know that 1,2 and 5 are correct.Answer is given as 4,but what abt 3?how can embryonal and foetal nuclei get involved?anybody,please explain

decembermist · Credits: 41081 My Scrapbook

hey anybody got an ans 4 this qus ??

doctorsam_1 · Credits: 528 My Scrapbook

I do not think it can be POLAR as all causes of polar cataract are either VASCULAR, adhesive or incarcirative.......
and sumillarly as all errors of metabolism usually manifest after birth:; chances of involvement of foetal and emryonal nuclei are rare or next to impossible!!
Only logic guys...no real hard proof................... Ne corrections welcome !!

dr_asha03 · Credits: 197 My Scrapbook

galactosemic cataract is typically central,in that case it cannot be polar!!!!

parin · Credits: 14530 My Scrapbook My Reading List 1 Books

In galactosemia, a large pervcentage of infants develop bilateral oil drop central lens opacities within first few days or weeks of life, which can be prevented by exclusion of galactose in diet..

This clearly suggests that fetal & embryonic nucleus are not involved.. So it can't be lamellat, too.. & it is central..

So, 1, 5 correct, 2,3 incorrect, what about 4?

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