Hi nilesh , yes you can go for bachelor in optometry which comes under paramedical   without pursuing MBBS . All you need to do is to get admission in colleges offering bachelor in optometry course . Along with that you need to know that in order to get eligible  you need to fulfill following criteria
Minimum Qualification in 10+2 (Chemistry, Biology & Physics)

Minimum Marks Required (Aggregate): 45%

Minimum Age Requirement: 17 years or more
It is a four year course in which three years of studies and one year of Internship program .
There are several methods of admission which includes  entrance-based and merit-based admissions processes.
Some popular entrance exams for b.opt are
EYECET

AIIMS Exam

JNU Entrance Exam

DU Entrance Test

CMC.
Hope this helps

hey,

to be an optometrist , you need to pursue optometry course and the basic eligibility criteria to do bachelors of optometry is candidate must have passed their 10+2 from recognized board with science stream subjects having physics , chemistry , biology and english  , admission will be done on the basis of relevant entrance examination

i hope this helps!