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bruh Flashcards

(23 cards)

1
Q

Amblyopia is?

A

Not a refractive error, but an undeveloped visual system of the eye

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2
Q

Prism Light goes toward

A

The base

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3
Q

Displacement of objects toward

A

The apex

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4
Q

What happens when there is a Higher ABBE Value

A

A smaller spread from red to blue, lower dispursive value

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5
Q

A Flat lens is?

A

A len’s thats not bent, it has one flat surface combined with a concave or convex surface

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6
Q

emmetropia is?

A

(A normal eye) where light is focused at a point on the retina

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7
Q

Lenses can be classified as

A

Flat or bent

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8
Q

What happens when there is a lower ABBE Value

A

A greater spread from red to blue, higher dispursive power value

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9
Q

What is a geometric center

A

Center of the circle to it’s periphery where the line is drawn

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10
Q

Hyperopia is?

A

(Farsightedness) A refractive error in which an image of a distant object becomes focused behind the retina

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11
Q

What happens to the lens when the radius is shorter?

A

The circle gets smaller and steeper making more diopters

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12
Q

Myopia is?

A

(nearsightedness) An image of a distant object becomes focused in front of the retina

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13
Q

What happens to the lens when the radius is larger?

A

The circle gets larger the curve gets flatter making less diopters

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14
Q

What is meniscus lens

A

A bent lens that has a convex surface and concave surface. They are crescent shaped

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15
Q

Characteristics of a plus lens

A

Thick Center, Thin edges, convex, magnifies,

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16
Q

Characteristics of a minus lens

A

Thin Center, Thick Edges, Diverges, Minifies

17
Q

When light passes through a transparent flat surface?

A

The light remains parallel

18
Q

When white light passes through a transparent lens
with a convex or concave surface,

A

The light is refracted (BENT)

19
Q

When light interacts with a surface, they
may be?

A

reflected, absorbed or transmitted.

20
Q

Prisms placed base to base will

A

converge light passing through them

21
Q

Prisms placed
apex to apex wil

A

diverge light rays
passing through
them

22
Q

The point at
which rays of
light
converge is
called the

23
Q

Light is bent toward the

A

base of the prism