Introcular pressure, ocular alignment, refractory issues

Question 1

What is another name for Heterotropia?

Answer 1

Strabismus

Question 2

What is it called when one eye is elevated relative to the other?

Answer 2

Hypertropia

Question 3

What is it called when one eye is depressed relative to the other?

Answer 3

Hypotropia

Question 4

What is it called when one eye is abducted relative to the other eye?

Answer 4

Exotropia

Question 5

What is it called when one eye is adducted relative to the other eye?

Answer 5

Esotropia

Question 6

T/F: All heterotropias can lead to double vision and possibly cortical blindness

Answer 6

True

Question 7

What is defined as a protrusion of the globe greater than 18mm?

Answer 7

Exophthalmos

Question 8

What is defined as a protusion equal to or less than 18 mm

Answer 8

Protusion

Question 9

What is defined as recession of eye into orbit?

Answer 9

Enophthalmus

Question 10

What is it called when patients have appropriate refraction

Answer 10

Emmetropic

Question 11

What is it called when patients have refractory errors?

Answer 11

Ametropic

Question 12

What is the normal refracting power of the human eye?

Answer 12

65 diopters (45 from cornea and 20 from lens)

Question 13

What is the average axial length of the human eye?

Answer 13

24mm

Question 14

What Refractory Error results from a mismatch between the refracting power of the optical elements of the eye and the axial length of the globe when neither of these components lies outside the normal range?

Answer 14

Physiologic Myopia

Question 15

What Refractory Error is a heritable condition in which the eye is abnormally long with normal refracting apparatus?

Answer 15

Pathologic Myopia

Question 16

What is the refractory error in pathologic myopia?

Answer 16

> 8.0D

Question 17

What Refractory Error is an Ametropic condition when the refracting power of the eye is insufficent to bring the focused image of an object held at infinity onto the retina: the image lies posterior to the retina (normal retina, weak power).

Answer 17

Hyperopia (farsightedness)

Question 18

T/F: Hyperopia is normal in infants

Answer 18

True

Question 19

Who relies on accommodation to focus on near?

Answer 19

Emmotropes

Question 20

What is the refractive error that the far point is at infinity and the focal point is at the retina?

Answer 20

Emmetropia

Question 21

What is the refractive error that the far point is the front of the eye and the focal point is in the vitreous?

Answer 21

Myopia (nearsightedness)

Question 22

What is the refractive error that focal point is behind the eye?

Answer 22

Hyperopia (farsightedness)

Question 23

What kind of Hyperopia is it when the length of eye is TOO SHORT for refractive power of eye?

Answer 23

Axial Hyperopia

Question 24

What kind of Hyperopia is it when the refractive power of eye is TOO WEAK for eye of normal length?

Answer 24

Refractive Hyperopia

Question 25

What kind of Myopia is it when the length of the eye is TOO LONG for normal refraction?

Answer 25

Axial Myopia

Question 26

What kind of Myopia is it when the refractive power of eye is TOO STRONG for eye of normal length?

Answer 26

Refractive Myopia