What causes blockage of trabecular meshwork?

Pigment dispersion, where tiny fragments or granules from the iris (the colored part of the eye) can circulate in the aqueous humor (the fluid within the front portion of the eye) and block the trabecular meshwork, the tiny drain for the eye’s aqueous humor.

What is trabecular meshwork?

The trabecular meshwork is the spongy tissue located near the cornea through which aqueous humor flows out of the eye. The trabecular meshwork lies in the drainage angle (see video above), and 80 – 90 percent of aqueous humor makes its way into circulation via the trabecular meshwork and its associated structures.

What is posterior trabecular meshwork?

Trabecular Meshwork The trabecular meshwork lies between the scleral spur and Schwalbe’s line. The meshwork is nonpigmented and smooth in infants but becomes coarser and more pigmented with advancing age. Flow through the trabecular meshwork is through the posterior portion.

What is the trabecular meshwork made of?

The structure is composed of connective tissue beams and sheets or lamellae covered by TM cells. Three consecutive regions define the filtering portion of the TM: uveal meshwork, corneoscleral meshwork and juxtacanalicular region (JCT) also often called the cribriform region.

What happens when trabecular meshwork is blocked?

In some individuals, the trabecular meshwork can suddenly or more gradually become blocked leading to an increase in intraocular pressure (IOP) in the anterior chamber. This increase in IOP may be transferred to the retina damaging its function, leading to a condition called glaucoma.

What to expect after iridotomy?

After your iridotomy, you may notice some blurry vision, mild discomfort, or a foreign body sensation in your eye. These symptoms are usually transient and are gone within a few hours to a few days.

What is another name for trabecular meshwork?

cribriform meshwork
Juxtacanalicular tissue (also known as the cribriform meshwork) – Lies immediately adjacent to Schlemm’s canal, composed of connective tissue ground substance full of glycoaminoglycans and glycoproteins. This thin strip of tissue is covered by a monolayer of endothelial cells.

How do I interpret my gonioscopy results?

Interpreting Your Gonioscopy View We recommend always starting your gonioscopy by viewing the inferior angle. This is typically the widest angle and the easiest to identify structures due to the increased pigmentation. Remember that, with indirect gonioscopy, your mirror is 180° away from the angle you are viewing.

What is malignant glaucoma?

Malignant glaucoma is a rare form of glaucoma that typically follows surgery in patients with primary angle closure and primary angle-closure glaucoma. In this paper, the clinical features, classification, pathogenesis, and principles of management are discussed.

How do I massage my eyes for glaucoma?

Using your thumbs, gently press on the area right above the inner corner of the eyes where the crease of your lid begins. Press slowly and release. Repeat this exercise 5 times. By doing this, you’re helping to relieve pressure in between your eyes.