Dry Eyes

The causes and risk factors of dry eyes include:

• Aging, certain medications, environmental factors, and medical conditions

• Excessive water intake, low salt diet, and frequent exercise

• High humidity, frequent blinking, and oily skin

• Overuse of sunglasses, high protein diet, and daily swimming

Recognise the symptoms of dry eyes.

• Itching, burning, and a gritty sensation in the eyes

• Sudden loss of vision

• Severe eye pain with discharge

• Double vision

Treatment options for dry eyes include:

• Artificial tears and lubricating eye drops

• Warm compresses

• Surgery

• Eyelids wipes

Fill in the blank: Redness with ________ is a red flag for dry eyes.

• photophobia

• itching

• watering

• blurring

What is the function of the Mucin Layer in the tear film?

• The inner layer that helps the eye remain lubricated

• The outer layer that prevents evaporation of tears

• The layer responsible for providing nutrients to the cornea

• The layer that contains immune cells to fight infection

What is the function of the Aqueous Layer in the tear film?

• The middle layer that washes away particles and prevents infection

• The outermost layer that prevents evaporation of tears

• The innermost layer that helps tears stick to the eye

• The layer responsible for producing mucus in the tear film

What is the function of the Lipid Layer in the tear film?

• The outer layer that helps reduce evaporation of natural tears

• It provides nutrients to the cornea

• It is responsible for tear production

• It helps in the absorption of oxygen from the air

What is an External Hordeolum (Stye)?

• Blocked meibomian gland usually not infected

• Infection of a hair follicle at the base of an eyelash

• Inflammation of the uveal tract

What is Chalazia?

• A) Infection of a hair follicle at the base of an eyelash

• B) Blocked meibomian gland usually not infected

• C) Inflammation of the uveal tract

What is the most frequently used treatment for tear deficiency in patients with mild dry eye?

• Hypromellose

• Timolol

• Sodium hyaluronate

• Carmellose