Pachamuthu College of Pharmacy is a private affiliated college under Tamil Nadu Dr MGR Medical University, Chennai . The college offers only 1 degree program namely B.Pharma . So you can't study BSc Optometry from this college.

The BSc Optometry colleges in Tamil Nadu are provided below-

Dr MGR Educational and Research Institute, Chennai

Government Villupuram Medical College, Villupuram

GRACE College of Health and Management, Padanthalumoodu

HITS Chennai - Hindustan Institute of Technology and Science

Karunya University - Karunya Institute of Technology and Sciences

Hindu Mission Hospital, Chennai

Lotus Eye Hospital and Institute, Coimbatore

For more information regarding Optometry consider the link below:

https://www.careers360.com/courses/bsc-in-optometry

I hope this helps. Wish you a great eve!