Gabe's Page: Cleared to go under

Saturday, December 19, 2009

Cleared to go under

Anesthesia that is. On Jan. 8th, Gabe will be put under for an eye exam that will measure his pressure levels in his eyes and give us a better idea of how far he can see. I have never had a child go into the hospital for more than a quick ER trip for ear infection type stuff, so I am nervous. I know God's hands will be on him and the team of Drs. Yesterday Gabe had to be seen by our doctor to be cleared for the procedure and we asked that they do a few tests on him to rule out Giardia, tape worm, etc. He has had very loose stools on and off since our FF day and we just want to rule anything like that out.

Will update again after his procedure. Have a blessed Christmas.
Happy Birthday Jesus!!

1 comment:

KristiDecember 19, 2009 at 11:30 AM
I'll be praying for your little sweetie! So glad that there is someone ahead of me to teach me about glaucoma!
Oh, and we wondered the same about Caleb ~ turned out after nearly a year that I finally figured he is lactose intolerant. Yeah, I'm real fast...
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About Glaucoma

Glaucoma is a condition in which elevated pressure inside the eye contributes to damage of the optic nerve, which may eventually lead to complete vision loss. There are usually no symptoms early in the disease, but in later stages it can cause loss of peripheral vision, tunnel vision and eventually complete blindness. (Gabe's type of glaucoma-congenital is not like other late (senior) onset glaucoma and is not at this time expected to cause complete blindness).

www.glaucoma.org

www.glaucomafoundation.org

www.glaucomaweb.org

www.nei.nih.gov/health/glaucoma/glaucoma_facts.asp

To understand the basic mechanism let me give you an analogy. Imagine a sink with a water tap. The tap is on and water flows at a constant rate into the sink ; while the drainage hole of the sink is unblocked the sink will not overflow. Consider the eye: fluid (aqueous) is produced at a constant rate by the ciliary processes (see figure 1) which flows around the lens into the anterior chamber and drains into the angle between the cornea (window of the eye) and the iris (colored part of the eye) . This drainage angle is like the drainage hole of the sink; if it becomes blocked then fluid builds up and because the eye is a closed chamber, instead of overflowing the pressure rises within the eye. There are three main consequences of raised intraocular pressure:-

the infant's eye is very elastic and the rise in pressure results in an abnormal increase in the size of the eyeball.
the cornea is normally clear because there is a special layer of cells (endothelium) lining it on the inside which pumps water out of the cornea continuously; raised intraocular pressure affects this pumping action adversely and causes water logging in the cornea which makes the cornea hazy and, in severe cases, opaque.
the main danger of raised pressure within the eye (intraocular pressure) is that it eventually damages the optic nerve irreversibly. The optic nerve is the cable that takes the images the eye receives to the ‘seeing centre' (visual cortex) of the brain; damaged cable means bad or no images, depending on the degree of damage.

In congenital glaucoma there is abnormal development of the drainage angle such that it is blocked by abnormal tissue referred to as Barkans membrane after the man who first suggested its presence in such eyes. In our analogy imagine that someone has placed a film of cellophane over the drainage hole of the sink; now the sink will overflow. Similarly the pressure in the eye will go up.

Saturday, December 19, 2009

Cleared to go under

1 comment:

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