This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2018, Subject name: Ophthalmology
A newborn is hypermetropic by 
Select and explain. 
A. + 2.5 D, B. + 5D, C. + 10 D, D. + 1D
A: + 2.5 D
Answer: A: + 2.5 D 
Explanation: * (N) REFRACTIVE error at bih 2-3 D hypermetropic' * BY the age of 5-7 years the eye is emmetropic and remains so till the age of about 50 years* After 50 years of age there is tendency to develop hypermetropia again which gradually increase the extreme of life by which the eye has the same +2 TO +3 with which it staed. this senile hypermetropia is due to change in the lens.