Nokea
Which action do miotic eye drops have for a patient with glaucoma?
- A. Dilate the pupil and sharpen vision.
- B. Lubricate and moisten the dry eye.
- C. Irrigate the surface of the eye.
- D. Constrict the pupil and open the canal of Schlemm.
Correct Answer: D
Rationale: Miotic eye drops allow the pupil to constrict and open the canal of Schlemm to drain the excess fluid.
You may also like to solve these questions
The surgical incision into the eardrum with either a knife or a heated wire loop to relieve pressure in the middle ear is a(n) ___
Correct Answer: myringotomy
Rationale: The opening of the eardrum with a specialized knife or a heated wire loop to relieve pressure in the middle ear is a myringotomy.
Which anatomical change is associated with diabetes retinopathy?
- A. Capillaries in retina hemorrhage
- B. Long-term overdosing of insulin
- C. Retinal detachment
- D. Aging
Correct Answer: A
Rationale: Retinopathy is caused when the capillaries in the retina have aneurysms or hemorrhage.
The 62-year-old patient reports a feeling of 'grittiness' in the eye and is having blurred vision. The eyes are reddened and have stringy mucus. Which disorder do these symptoms indicate?
- A. Sjögren syndrome
- B. Early cataracts
- C. Macular degeneration
- D. Retinal detachment
Correct Answer: A
Rationale: The Sjögren syndrome of 'dry eye' is associated with advancing age. There is insufficient production of tears. Excessive use of antihistamines, antidepressants, and decongestants may cause this syndrome to appear.
The nurse is aware that the patient has 20/40 vision. This means that the patient can see at 20 feet what the normal eye can see at which distance?
- A. 10 feet
- B. 20 feet
- C. 30 feet
- D. 40 feet
Correct Answer: D
Rationale: The Snellen Eye Chart tests visual acuity. A vision evaluation of 20/40 means that the patient can see at 20 feet what the person with normal vision can see at 40 feet.
Which action should a patient who has had a cataract repair avoid?
- A. The use of eye patches
- B. The use of sunglasses
- C. The lifting of heavy objects
- D. Reading for long periods of time
Correct Answer: C
Rationale: Postcataract patients should avoid any activity that increases the intraocular pressure, such as lifting heavy objects, stooping, and bending.