Pakistan Institute of Rehabilitation Sciences (PIRS) Islamabad BS in Vision Science (Optometry / Orthoptics) – Four Year Degree Program. BSc. in Vision Sciences (Associate Degree in Vision Sciences) – Two Year Degree Program. BS in Audiology – Four Year Degree Program. BSc. in Audiology (Associate Degree in Audiology) – Two Year Degree Program. BS in Physical … [Read more...] about Pakistan Institute of Rehabilitation Sciences (PIRS) Islamabad