Choose Electromagnetic radiations from the options provided below.

The lacrimal glands, each about the size and shape of an ______

Each gland produces about ___ ml of lacrimal fluid per day

True or False

Lacrimal sac, drains tears into Nasolacrimal duct

The adult eyeball measures about ____ cm

The wall of the eyeball consists of ____ layers

True / False

The central part of the cornea receives oxygen from the outside air

At the junction of the sclera and cornea is an opening known as the _____________

Uvea is composed of ___ parts

True / False

The amount of melanin in the Conjunctiva determines the eye color

True / False

Pupil constricts as circular muscles of Iris contracts

True / False

The fovea centralis is the area of lowest visual acuity

Which are the layers of Retinal neurons ?

True / False

The optic disc is the site where the optic nerve exits the eyeball

True / False

The Fovea centralis is the area of lowest visual acuity

Which are the 2 types of photorecpetors ?

Each retina has about ____ million cones

Each Retina has about ____ million Rods

Rods allow us to see in ____ light

Cones allow us to see in ____ light

True / False

Aqueous humor is a transparent watery fluid that nourishes the lens & cornea.

Normally, aqueous humor is completely replaced about every ______

_____ chamber lies between the lens and the retina

True / False

Intraocular pressure, is produced mainly by the aqueous humor and partly by the vitreous body.

True / False

Itraocular pressure maintains the shape of the eyeball and prevents it from collapsing

________ provides shape & protects inner parts

________ regulates amount of light that enters eyeball

________ receives light & converts it into receptor potentials and nerve impulses

______ secretes aqueous humor & alters shape of lens for near or far vision

True / False

Myopic individuals can see distant objects clearly , but not close ones

Hyperopic individuals can see close object clearly, but not distant objects

True / False

LASIK involves reshaping the cornea to correct re-fraction abnormalities permanently

The single type of photopigment in rods is _______

Glaucoma is the _______ leading cause of blindness worldwide

Aqueous humor is composed of ____% water and 0.1% solids.

Aqueous humor is formed in the eye at an average rate of 2-3 micro litres per minute by the ____________

__________ enzyme helps in the production of aqueous humor.

The primary outflow system of the eye is in the anterior chamber angle and accounts for _________ of aqueous outflow in human eyes under normal circumstances

True / False

In almost every case of glaucoma, increased IOP is due to defect in the outflow from the anterior chamber, rather than the above-normal rates of aqueous humor formation.

IOP may become elevated due to ______

Glaucoma is an optic neuropathy with characteristic structural damage to the ________

True / False

Open-angle glaucoma, is caused by partial blockage of the drainage canal

True / False

Angle-closure glaucoma, is caused by a sudden and complete blockage of aqueous humor drainage

True / False

In Open Angle Glaucoma there is abnormally high resistance to the fluid flow through the trabecular meshwork and Schlemm’s canal

True / False

Secondary open-angle glaucoma occurs because of or in association with another eye disease

_________ glaucoma is glaucoma associated with a physically obstructed anterior chamber angle

True / False

With open-angle glaucoma, there are no warning signs or obvious symptoms in the early stages

A normal optic nerve is made up of more than _______ tiny nerve fibers

Ophthalmologists use a technique called a ______ test to look for these blind spots

Mechanisms involved in glaucomatous RGC apoptosis.

Tonometry is a method used to measure ____

Perimetry is a method to assess ________

Choose molecule belongs to Beta blocker

Choose molecule belongs to Prostaglandin analogues category

True / Flase

The drugs which act by reducing aqueous humor production are beta-blockers

True / False

The drugs which act by decreasing the aqueous humor production are Miotics