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ASAP > EYE > Flashcards

EYE Flashcards

1
Q

Retinal detachment

A

Retina peels away from its supportive layer of tissue

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2
Q

Macular degeneration

A

Degeneration of macula due to aging leading to blindness

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3
Q

Optic neuritis

A

Any condition that causes inflammation of the optic nerve

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4
Q

Causes of optic neuritis

A

Demyelinating diseases
Infections

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5
Q

Meibomian cyst in the eye lid

A

Chalazion

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6
Q

Hordeolum

A

Bacterial infection of the oil gland in the eyelid

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7
Q

Inflammation of the conjunctiva

A

Conjunctivitis
Pink eye

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8
Q

Strabismus

A

Vision disorder due to misalignment of the eye

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9
Q

Glaucoma

A

Damage to optic nerve due to buildup of eye fluid and increase in intraoccular pressure

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10
Q

What is open angle glaucoma ?

A

Type of glaucoma in which the drainage angle for fluid within the eye remains open

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11
Q

Cataract

A

Eye disorder in which clouding of lens occurs

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12
Q

What are the types of refractive errors ?

A

Myopia
Presbyopia
Hypermetropia
Astigmatism

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13
Q

Myopia

A

Near sightedness
Far objects are blurry

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14
Q

Presbyopia

A

Old age vision problem when lens becomes harder and less flexible

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15
Q

Hypermetropia

A

Far sightedness
Near objects are blurry

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16
Q

Astigmatism

A

When both near and far objects are blurred due to abnormal shape of lens

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17
Q

Parts of outer layer of the eye

A

Sclera
Cornea

18
Q

What is the white part of the eye ?

A

Sclera

19
Q

Function of sclera ?

A

Support for eye ball giving its shape, and protection.

20
Q

Transparent front part of the eye?

A

Cornea

21
Q

Function of cornea ?

A

Refraction of light

22
Q

Which part of the eye has the highest optic power ?

A

Cornea

23
Q

Function of conjunctiva

A

Provides protection and lubrication of the eye by production of tears and mucous

24
Q

Vascular layer of the eye?

A

Choroid

25
Q

Where is the choroid?

A

Between sclera and retina

26
Q

Iris?

A

Controls the size of pupil
Pigmented part of the he that determines eye colour

27
Q

What is responsible for production of serious humor?

A

Ciliary body

28
Q

Pupil?

A

Hole in the center of the eye which allows the light to strike the retina

29
Q

Lens of the eye

A

Crystalline biconvex structure behind the iris for accommodation of the eye. It allows light to fall on the retina.

30
Q

Function of suspension ligament

A

Allows lens to attach to the ciliary body

31
Q

Retina

A

Light sensitive nervous area connected to the brain by the optic nerve

32
Q

Photoreceptors of the retina

A

ROD - less intense light
CONE - colour, bright light

33
Q

Chambers of the eye

A

Aqueous chamber
Vitreous chamber

34
Q

Location of aqueous chamber

A

Anterior - between iris and cornea
Posterior - between iris and lens

35
Q

Location of vitreous chamber

A

Between lens and retina

36
Q

Which eye fluid is produced by ciliary body?

A

Aqueous humor

37
Q

Macula lutea

A

Yellow spot in the central region of retina
Contains most cones and some rods

38
Q

Forea centralis

A

Eye sharpest vision and location of most colour perception because of high concentration of cones
Located in the center of macula
Only cones no rods

39
Q

Blind spot / optic disc

A

Place where optic nerve connects retina

40
Q

Why is optic disc called blind spot ?

A

Total absence of cons and rods

41
Q

Correct visual perception is when focal point is on what structure of the eye?

A

Retina
Inverted image formed

ASAP (19 decks)

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