Answer:
Option (1).
Step-by-step explanation:
Acanthamoeba infection may be defined as the eye infection that may cause permanent loss of vision in serious infection. This infection may cause blurred vision with redness of eye.
Acanthamoeba is a microscopic organism that are mainly found in water, lake, soil and swimming pool. Hence, swimming in lake while wearing contact lenses can easily cause Acanthamoeba infection.
Thus, the correct answer is option (1).