Common Conditions Involving the Conjunctiva Flashcards Preview

External Eye Quiz > Common Conditions Involving the Conjunctiva > Flashcards

Flashcards in Common Conditions Involving the Conjunctiva Deck (21)
Loading flashcards...
1
Q

What is conjunctiva?

A

The mucous membrane lining the inside of the lids and the visible part of the sclera.

2
Q

The conjunctiva of the inside of the lids is:

A

Thick and pink tissue

3
Q

The conjunctiva of the visible part of the sclera is:

A

thing and transparent tissue

4
Q

What is another name for pink eye?

A

Contagious conjunctivitis

5
Q

What type of infection is contagious conjunctivitis?

A

Bacterial or viral

6
Q

Pink eye causes what signs and symptoms?

A

Red, burning, itchy eyes with a discharge that tends to stick the eyelids together overnight.

7
Q

Is contagious conjunctivitis painful?

A

minimal

8
Q

Does contagious conjunctivitis affect the vision?

A

no

9
Q

How do the blood vessels dilate in contagious conjunctivitis?

A

From periphery towards the center of the eye

10
Q

When the blood vessels dilate towards the eye in pink eye they spare what area?

A

Limbs (area surrounding the cornea)

11
Q

What conjunctivitis is caused by environmental irritants?

A

Allergic or chemical conjunctivitis

12
Q

What are the signs and symptoms of allergic or chemical conjunctivitis?

A

Same as pink eye but perhaps less thick discharge

13
Q

Allergic or chemical conjunctivitis is caused by what?

A

Environmental irritants

14
Q

Yellow elastic fibers form a plaque on either side of the cornea resulting from chronic irritation to the bulbar conjunctiva.

A

pinguecula

15
Q

What kind of conditions can cause pinguecula?

A

Sunny, dusty, windy conditions

16
Q

Pinguecula is chronic irritation to what conjunctiva?

A

bulbar

17
Q

When the sunny, dusty, windy conditions may stimulate growth of the pinguecula forms a vascular membrane that may extend over the cornea.

A

pteryguim

18
Q

How does pinguecula differ from pterygium?

A

Pterygium has a vascular membrane formed from the pinguecula?

19
Q

Microtraumas like coughing, sneezing, or straining may cause a conjunctiva vessel to break trapping blood between the clear mucous membrane and the sclera.

A

subconjuctival hemorrhage

20
Q

A subconjuctival hemorrhage traps blood between what?

A

The clear mucous membrane and the sclera

21
Q

Subconjuctival hemorrhages are caused by what?

A

microtraumas (coughing, sneezing, straining)