What is the diagnosis that can be given to a 68 years old patient who is complaining of photophobia, increase visual blurring, pain in one eye, and halos around lights when driving at night?

What is the diagnosis that can be given to a 68 years old patient who is complaining of photophobia, increase visual blurring, pain in one eye, and halos around lights when driving at night? The conjunctival injection was noticed upon exam.