This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Acquired Cataract, Subject name: Ophthalmology
Which of the following is the only reversible cataract- 
Select and explain. 
A. Senile Cataract, B. Cataract inGalactosemia, C. Congenital Cataract, D. None
B: Cataract inGalactosemia
Answer: B: Cataract inGalactosemia 
Explanation: Ans. is 'b' i.e., Cataract in Galactasemia "'Cataract associated with galactosemia is the only reversible cataract"... Atlas of ophthalmologyCauses of CataractSystemic diseasesDermatological diseasesAge related & Physical agentsToxic agentsOtherso Hypoparathyroi-dismo Ichthyosiso Senile cataracto Corticosteroidso Maternal infections* CMV* Toxoplasmosis* Rubellao Atopic dermatitiso Sunlight & UV rayso Chlorpromazineo Hypocalcemiao Wemer syndromeo Traumao Busulfano Diabetes (Hypergly-cemia)o Rothmud's syndromeo Ionizing radiation* X-ray, y-rays* Neutronso Anticholinesteraseo ChJoroquineo Obesityo Hypoglycemiao Amiodaroneo Severe diarrheao Dystrophia myoto-niao Nonionizing radiation* Infrared* Microwaveo Cigratte smokingo Coppero Galactosaemiao Irono Alport syndromeo Electric shock (electrico Goldo Lowe syndromecataract)o Diureticso Stickler syndromeo Vitamin A, C & E deficiencyo Down syndromeo Heat (Infrared cataract)o Wilson's diseaseo Hypothyroidismo Galactokinase deficiencyo Neurofibromatosis type 11o Hypertension