a 45 year old male presented to the ER with sudden headache, blurring of vision, excruciating eye pain and frequent vomiting.. Acute glaucoma

a 45 year old male presented to the ER with sudden headache, blurring of vision, excruciating eye pain and frequent vomiting:
a) Acute glaucoma***
b) Acute conjunctivitis
c) Acute iritis
d) Episcleritis
e) Corneal ulceration.