Select the option that is related to the fifth word in the same way as the second word is related to the first word and the fourth word is related to the third word.

Asthma : Lungs :: Arthritis : Bones :: Conjunctivitis : ?

Eyes

Pattern followed is :

Disease  : Realted organ

Asthma : Lungs

Asthma is a disease related to lungs .

Arthritis : Bones

Arthritis is a disease related to  Bones .

Similarly ,

Conjunctivitis : ?

Conjunctivitis disease is related to eyes .

Eyes , is correct answer .