Use the Following Word Parts

Use the following word parts. Some word parts can be used more than once. The adjectival suffix has been given where necessary.
-extra
-intra
-blephar/o
-conjunctiv/o
-core/o
-kerat/o
-myc/o
-ocul/o
-opt/o
-ot/o
-staped/o
-ectomy
-itis
-meter
-osis
-pathy
-spasm
-​instrument to measure the pupil