Diploma in Optometry - Ocular Anatomy

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Questions and Answers

Avascular layer of the eyeball is?

Sclera

Conjunctiva

Cornea (correct)

Bairira

Normal visual acuity is?

6/6 (correct)

6/18

6/12

6/60

Retinoscopy is used for refraction?

Objective

Both (correct)

Subjective

None

Following is a sweat gland?

Both Signup and view all the answers

Volk muscle for superior rectus is?

Superior oblique Signup and view all the answers

Junction of sclera & cornea is called as limbus.

True Signup and view all the answers

Abduction is produced by lateral rectus.

True Signup and view all the answers

Middle layer of cornea is Bowman's membrane.

True Signup and view all the answers

Atropine is only Mydriatic.

False Signup and view all the answers

Myopia is a type of color vision defect.

False Signup and view all the answers

Newly invented 6 layer of cornea is.

Descemet's membrane Signup and view all the answers

Uvea has ciliary body & ____.

iris Signup and view all the answers

Refractive index of lens is.

approximately 1.42 Signup and view all the answers

Diopteric power of cornea is ____.

approximately 40 diopters Signup and view all the answers

Deepest nucleus in lens is ____.

nucleus of the lens Signup and view all the answers

What are the contents of the orbit?

The contents of the orbit include the eye, extraocular muscles, optic nerve, blood vessels, and various connective tissues. Signup and view all the answers

Write in short about Prism & its uses.

Prism is a transparent optical element that refracts light, used in vision correction and various optical devices. Signup and view all the answers

What is retinoscopy?

Retinoscopy is an objective refraction test used to measure the eyes' refractive error. Signup and view all the answers

Describe the Visual pathway in detail.

The visual pathway involves the retina, optic nerve, optic chiasm, optic tract, lateral geniculate nucleus, and the visual cortex. Signup and view all the answers

Study Notes

Examination Overview

Diploma in Optometry from Uttar Pradesh State Medical Faculty, Lucknow.
Subject focus includes Ocular Anatomy, Physiology, and Physical & Physiological Optics.
Duration of examination is 3 hours with a total of 75 marks.

Key Questions and Answers

Avascular layer of the eyeball is the Sclera.
Normal visual acuity is defined as 6/6.
Retinoscopy is used for Objective refraction.
The Gland of Moll is categorized as a sweat gland.
The volk muscle for the superior rectus is none of these.

True or False Statements

The junction of sclera and cornea is referred to as the limbus. (True)
Abduction is produced by the lateral rectus muscle. (True)
The middle layer of the cornea is known as the Bowman's membrane. (False, it's the stroma.)
Atropine serves solely as a mydriatic agent. (False, it's also used for other purposes.)
Myopia is classified as a type of refractive error, not a color vision defect. (False)

Fill in the Blanks

The newly identified sixth layer of the cornea is often referred to as Descemet’s membrane.
Uvea consists of the ciliary body and iris.
The refractive index of a lens is approximately 1.42 (varies by lens type).
The dioptric power of the cornea is about 43 diopters on average.
The deepest nucleus in the lens is the embryonic nucleus.

Short Notes Topics

Diagram of the tear film involves layers including lipid, aqueous, and mucin.
Sturm's Conoid refers to a visual optical phenomenon associated with astigmatism.
Extra-ocular muscles function includes controlling eye movement, maintaining gaze, and stabilizing vision.
Contents of the orbit include muscles, nerves, blood vessels, fat, and the eyeball itself.
Prism usage involves bending light, aiding in vision correction for conditions like strabismus.
Optical and visual axes differentiate between the path of light through the eye and the line of sight.

Detailed Answer Topics

Section of the cornea includes layers like epithelium, Bowman's layer, stroma, Descemet’s membrane, and endothelium, with details on blood and nerve supply.
Eyelid anatomy includes skin, muscle layers, connective tissue; blood supply from the ophthalmic artery and innervation primarily from cranial nerve VII.
Formation and drainage of aqueous humor involves production in the ciliary body, flow through the posterior chamber, and drainage through the trabecular meshwork into the canal of Schlemm.
Homocentric lens systems focus light to a common center, discussed with a diagram showing lens curvature.
Retinoscopy technique explained in detail with steps for assessing refraction and potential biases in subjective measurements.
Visual pathway details the route of visual information from the retina through the optic nerve to the visual cortex.

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Description

Test your knowledge of ocular anatomy, physiology, and optics with this examination paper from the Uttar Pradesh State Medical Faculty. This quiz includes questions related to the structure and function of the eye, essential for first-year optometry students.