Quiz#4disorders With The Cornea

Question 0

23. Anterior Basement membrane Dystrophy , caused by abnormal secretions from the basement membrane of the epithelial cells,causing them to be produced abnormally , is called ____________________________.

Answer 0

Map-Dot Fingerprint Dystrophy

Question 1

24. ______________ can be from Map-Dot-Fingerprint or can start from a corneal abrasion with organic material that temporarily heals, but reoccurs with any rubbing . They are treated with corneal dehydration drops .

Answer 1

Recurrent Corneal Erosions

Question 2

25. ____________________ is an autosomal dominant disorder where the cornea developes retractile lines , small white dots , and haze in the central superficial Stroma .

Answer 2

Lattice Corneal Dystrophy (pg 166 on dictionary)

Question 3

**autosomal dominant

Answer 3

You get it from a parent and each Child born from a parent carrying this disease has a 50% chance of getting the disease gene and a 50% chance of getting a normal gene and not getting the disease

Question 4

27. ___________________ of the endothelium is autosomal dominant and shows presence of corneal guttata, and stromal edema from abnormal production of Decemets collagen by endothelial cells leading to a loss of endothelial cells with the remaining ones spreading out . This causes ______________ decreasing the vision .

Answer 4

Fuch’s Dystrophy

Corneal edema

Question 5

28. ___________ is a yellowish patch of degenerated connective tissue in the bulbar conjunctiva on either sides of the cornea and is caused from exposure to outdoor elements

Answer 5

Pinguecula

Question 6

26. ______________ are where the normal aging changes in the peripheral cornea occur in the central cornea appearing like round , dark spots of thickened Descemet’s membrane between endothelial cells.

Answer 6

Corneal Guttata

Question 8

29. ____________ is a fibrovascular growth from the nasal conjunctiva onto the cornea caused by exposure to outdoor elements .

Answer 8

Pterygium

Question 8

31. _______________is where the cornea becomes thin centrally and cone shaped and is most common in females .

Answer 8

Keratoconus

Question 9

30. _______________ is as a band- shaped area of calcium deposits located in the sub-epithelium and anterior Stroma of the cornea . It can be from __________ , chronic inflammations like _________, or systemic conditions such as renal failer as well as other causes .

Answer 9

Band Keratopathy

dry eye syndrome

uveitis

Question 10

32. ____________ is where the lid bulges out in down-gaze from karatoconus

Answer 10

Munson’s Sign

Question 11

33. ______________, seen with keratoconus, are vertical stress lines in the posterior Stroma at the thinnest part in the cornea .

Answer 11

Vogt’s Striae (stretch marks)

Question 12

34. _____________, seen with keratoconus are small pigmented epithelial iron rings at the base of the cone

Answer 12

Fleishers Ring

Question 13

35. Posterior Embryotoxon is a thickened and anteriorly displaced _______________

Answer 13

Line of Schwalbe ( secondary glaucoma)

Question 14

37. _____________ Is a Creamy white ring in the peripheral corneal Stroma , in the elderly , as a result of deposits of lipid ( fatty like deposits )

Answer 14

Arcus Senilis ( age related ) elderly take offense of using the word senile. Macular degeneration.

Question 15

38. __________ is an area of mechanical loss of corneal epithelium that stains with fluorescein sodium dye.

Answer 15

Corneal Abrasion ( not an eye disease just a scratch)

Question 16

36. ____________ is a congenital condition with iris stromal atrophy and centrally displaced Schwalbe’s ring that is associated with glaucoma .

Answer 16

Riegers Anomaly

Question 17

39._____________ are inflammatory deposits on the back surface of the cornea usually seen in the iritis. ( cling onto the back of cornea endothelium)

Answer 17

Keratic Precipitates ( KP ) ( inflammations )

Question 18

40._______________ is an accumulation of the pigment on the back of the corneal endothelium in a vertical spindle shape from the breakdown of iris pigment , and is found in pigmentary glaucoma (pigment dispersion syndrome), trauma , after iritis , and in diabetes.

Answer 18

Krukenbergs Spindle ( pigment)

Question 19

41. _____________ is a whitish corneal scar representing fibrosis secondary to trauma or infection .

Answer 19

Leukoma ( scar tissue )

Question 20

43. ____________ is siderosis that forms in the corneal epithelium as a result of oxidization of an embedded metallic FB

Answer 20

Rust Ring

Question 21

42. Corneal foreign bodies are often treated with:
C.R.A.P
\_\_\_\_\_\_\_\_\_\_
\_\_\_\_\_\_\_\_\_\_
\_\_\_\_\_\_\_\_\_\_
\_\_\_\_\_\_\_\_\_\_

Answer 21

• removal
• Antibiotic ointment
• Cycloplegia ( dilating the pupil)
• Patching

Question 22

44. ________ have a low pH and cause less severe injury to eyes than alkali burns usually damaging the very front of the eye

Answer 22

Acids

Question 23

45. _________ have a high pH and are the most dangerous type of chemical burn for it penetrates the surface of the eye and burns internally

Answer 23

Alkali

Question 24

46.______________ are substances that have a neutral pH, causing pain but not damaging the eye , such as pepper spray

Answer 24

Irritants

Question 25

47. ________________ is a rare , serious disorder of the skin and mucous membranes. It can start with fever and URI , and develop into blisters on skin and mucous membranes in body and can be caused by many drugs , viral infections , and malignancies. It can lead to ________ and _______

Answer 25

Stevens-Johnson Syndrome

Blindness and Death

Question 26

WRONG : an accumulation of pigment of the back of the corneal endothelium is krunkenbergs spindle NOT Keratic Precipitates

Answer 26

Study