Acute angle-closure glaucoma involves a sudden severe rise in intraocular pressure. Which of the following ranges represents normal intraocular pressure?
a) 0 to 7 mm Hg
b) 8 to 21 mm Hg
c) 22 to 40 mm Hg
d) 40 to 80 mm Hg
Which obstructive lung disease is classified as reversible?
b) Chronic bronchitis
A 65-year-old man presents to the clinician with complaints of increasing bilateral peripheral vision loss, poor night vision, and frequent prescription changes that started 6 months previously. Recently, he has also been seeing halos around lights. The clinician suspects chronic open-angle glaucoma. Which of the following statements is true concerning the diagnosis of chronic open-angle glaucoma?