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Dry Eye Syndrome Types

Decreased Tear Production Causing Dry Eye Syndrome

A decrease in liquid layer tear production by the lacrimal gland is responsible for approximately 25% of dry eye syndrome cases. The lacrimal gland is not producing its normal amount of liquid onto the surface of the eye.

Evaporative Dry Eye Syndrome

Meibomian gland disease or dysfunction is involved in about 60 to 75% in people with dry eye syndrome. The Meibomian glands fail become diseased and do not secrete the correct amount of oil. This exposes the liquid layer to the environment which allows the liquid to evaporate off the eye which results in dry eyes. This loss of oil is secondary to chronic inflammation. Due to the inflammation, the Meibomian glands begin to produce thicker and more viscous abnormal oil. As the oil thickens it begins to plug up the Meibomian glands which lead to damage and loss of the Meibomian glands. The glands become smaller. Shorter, and eventually die. The lipid layer protection becomes less as this occurs.

Combination Dry Eye Syndrome Causes

A person can have a combination of the two types of dry syndrome. There are group of people who can have a combination of the two types of dry eye syndrome as well.

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The Cataract & Refractive
Institute of Florida

James E. Croley III, M.D.

Office Hours

  • Monday

    7:30am – 4:00pm
    Dr. Croley sees patients at 7:30am in Cape Coral.

  • Tuesday

    8:00am – 4:00pm
    Dr. Croley performs surgeries on this day.

  • Wednesday

    7:30am – 4:00pm
    Dr. Croley sees patients at 7:30am in Cape Coral.

  • Thursday

    8:00am – 3:30pm
    Dr. Croley sees patients at 8:30am in Lehigh.

  • Friday

    8:00am – 3:30pm
    Dr. Croley alternates also in Bonita & Cape Coral.

Request an Appointment

(239) 772-2122

(239) 368-1020

(239) 949-1190