EYE - cavidad orbitaria

Question 1

Size of eye

Answer 1

2 -3 cm

Question 2

Fissura orbital superior - which bones

Answer 2

Alas mayor and menor del hueso esfenoides

Question 3

Fissura orbital superior - communicates with

Answer 3

Infratemporal and pterigopalatino fissures

Question 4

Where is the conducto optico

Answer 4

alas menores del hueso esfenoides

Question 5

Where is the ethmoid orifice

Answer 5

lamina orbitaria del hueso ETHMOIDE y
pocion orbital del hueso FRONTAL

Question 6

Where is the nasolacrimal sulcus and what does it connect to

Answer 6

Lacrimal bone + maxilar.
Connects to the nasal fosa

Question 7

Where is the nasolacrimal sulcus and what does it connect to

Answer 7

Lacrimal bone + maxilar.
Connects to the nasal fossa

Question 8

Which side of the globo ocular is vulnerable?

Answer 8

Pared Lateral

Question 9

Angle between the the sagittal axis and the orbital axis ?

Answer 9

23 degrees

Question 10

Angle between the sagittal axis and pared lateral

Answer 10

45 degrees

Question 10

What makes up the tunica fibrosa ?

Answer 10

Cornea and sclera

Question 10

What are the orifices of the sclera?

Answer 10

1. Lamina cribosa de la esclerotica: nervio optico
2. Posterior cilliary orifices: short posterior cilliary arteries and veins
3. 2 long posterior cilliary arteries
4. Medio orificios: venos vortices

Question 10

What are the colours of the cornea and sclera?

Answer 10

Cornea: Transparent
Sclera: Normally white, blue in newborns and yellow in the old

Question 10

Where is the limbo escerocorneal?

Answer 10

between the posterior end of the cornea and the anterior start of the sclera

Question 11

Where is the conjunctiva?

Answer 11

Starts from the sclercorneal limbus and covers the posterior part of the eyelid before turning and covering part of the sclera.

Question 12

Where is the conjunctiva?

Answer 12

The white of the eye

Question 13

Wheere is the canal of schlemm

Answer 13

Posterior to the limbus sclerocorneal

Question 14

What is the keratocone?

Answer 14

The thin, funnel like central part of the cornea(thickness is not uniform)

Question 15

Innervation of the cornea

Answer 15

Sensitive = nasociliar (ofthalmic)
Motor = facial

Question 16

What nerve is in charge of the corneal reflex?

Answer 16

Nasociliar nerve <- Ofthalmic <- Trigeminal

Question 17

3 aprts of the tunica media/vascular/uvea

Answer 17

1. Iris, Cuerpo Ciliar and Coroides

Question 18

What are the names of the 2 iris muscles?

Answer 18

Circular and radial muscles

Question 19

What is miosis?

Answer 19

It is the closing of the pupil and mediated by the iridoconstrictors (circular muscles)

Question 20

What is midriasis?

Answer 20

It is the dilation or opening of the pupl and mediated by the radial muscles (iridodilatadores).

Question 21

What is midriasis?

Answer 21

It is the dilation or opening of the pupl and mediated by the radial muscles (iridodilatadores).

Question 21

What is miosis?

Answer 21

It is the closing of the pupil and mediated by the iridoconstrictors (circular muscles).

Question 21

Which is sympathetic and which is parasympathetic for miosis and midriadis.

Answer 21

Miosis - closing of the pupil - parasympathetic (oculomotor nerve) Midriasis - dilation/opening of the pupil - sympathetic (sup. cervical ganglion)

Question 21

Sensitive innervation of the iris comes from the?

Answer 21

Trigeminal nerve

Question 21

Angle between the the sagittal axis and the orbital axis ?

Answer 21

23 degrees

Question 21

The orbit is related to the paranasal sinuses how:

Answer 21

Superiorly: Frontal sinuses Inferiorly: Maxillary sinuses Medially: Ethmoidal sinuses Posteriorly: Sphenoid Sinuses

Question 22

The orbit is related to the paranasal sinuses how:

Answer 22

Superiorly: Frontal sinuses Inferiorly: Maxillary sinuses Medially: Ethmoidal sinuses Posteriorly: Sphenoid Sinuses

Question 22

Innervation of the cilliar body comes from the?

Answer 22

Oculomotor nerve

Question 22

The orbit is related to the paranasal sinuses how:

Answer 22

Superiorly: Frontal sinuses Inferiorly: Maxillary sinuses Medially: Ethmoidal sinuses Posteriorly: Sphenoid Sinuses

Question 22

What and where is the ORBICULUS CILIAR?

Answer 22

parte posterior y lisa del cuerpo cilliar (continuación de la ora serrata)

Question 22

What and where is the CORONA CILIAR?

Answer 22

Anterior, rough part

Question 22

What and where is the CORONA CILIAR?

Answer 22

Anterior, rough part of the cilliar body. It contains a lot of blood vessels that produce the humor acuoso

Question 22

What passes inside the anillo de zinn?

Answer 22

1. OPtic Nerve 2. Ofthalmic artery 3. Oculomotor 4. Abduccens 5. Nasocilliar nerve

Question 22

What passes outside the anillo de zinn but inside the superior orbital fissure?

Answer 22

Frontal Nerve Lagrimal nerve Troclear nerve Sup. + Inf Oftalmic nerves.

Question 22

Which of the orbital muscles are not innervated by the oculomotor nerve?

Answer 22

Superior Oblique: Trochlear Rectus Lateral: Abduccens

Question 23

what are the 3 types of glands on the eyelid

Answer 23

1. Meibomio/tarsal: sebaceous, interior side of the eyelid 2. Zeiss/Sebaceous: related to the hair follicles of the eyelashes 3. Moll/Ciliar: sweat/follicular

Question 24

What and where is the CORONA CILIAR?

Answer 24

Anterior, rough part of the cilliar body. It contains a lot of blood vessels that produce the humor acuoso

Question 24

What is the nerve in charge of accomodation?

Answer 24

Oculomotor (III)

Question 25

Angle between the the sagittal axis and the orbital axis ?

Answer 25

23 degrees

Question 25

The orbit is related to the paranasal sinuses how:

Answer 25

Superiorly: Frontal sinuses Inferiorly: Maxillary sinuses Medially: Ethmoidal sinuses Posteriorly: Sphenoid Sinuses

Question 26

Angle between the the sagittal axis and the orbital axis ?

Answer 26

23 degrees

Question 26

The orbit is related to the paranasal sinuses how:

Answer 26

Superiorly: Frontal sinuses Inferiorly: Maxillary sinuses Medially: Ethmoidal sinuses Posteriorly: Sphenoid Sinuses

Question 27

The orbit is related to the paranasal sinuses how:

Answer 27

Superiorly: Frontal sinuses Inferiorly: Maxillary sinuses Medially: Ethmoidal sinuses Posteriorly: Sphenoid Sinuses

Question 27

Angle between the the sagittal axis and the orbital axis ?

Answer 27

23 degrees

Question 27

What and where is the CORONA CILIAR?

Answer 27

Anterior, rough part of the cilliar body. It contains a lot of blood vessels that produce the humor acuoso