Author Question: What procedure removes scar tissue from the cornea with an excimer laser? a. Refractive ... (Read 75 times)

awywial

  • Hero Member
  • *****
  • Posts: 577
What procedure removes scar tissue from the cornea with an excimer laser?
 
  a. Refractive keratoplasty
  b. Phototherapeutic keratoplasty
  c. Radial keratotomy
  d. Keratophakia

Question 2

What is removal of the entire eyeball and the severing of the muscular attachments called?
 
  a. Innervation
  b. Enucleation
  c. Exenteration
  d. Extirpation



asdfasdf

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

ANS: B
In phototherapeutic keratoplasty (PTK), scar tissue is removed from the cornea with an excimer laser. PTK restores vision that has been blocked by scars from infection, injury, or an inherited condition.

Answer to Question 2

ANS: B
Enucleation is the complete removal of the eyeball and the severing of the muscular attachments. The muscle stumps are preserved in this procedure. A pocket can be formed for an artificial eye.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

awywial

  • Hero Member
  • *****
  • Posts: 577

asdfasdf

  • Sr. Member
  • ****
  • Posts: 339

 

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

For a complete list of videos, visit our video library