老人 ろうじん せい しろ内障 ないしょうでしょう
rōjin seishiro naishōdeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 老人性白内障

1. Probably cataracts due to age.; Likely senile cataracts.

Polite
Presumptive
Conjecture