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Do Dry Eyes Cause Intraocular Pressure Of Eye?

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Posted on Mon, 16 Feb 2015
Question: Dear dr.

I have moderate dry eyes but I'm using artificial tears and omega 3 fish oil to treat it.

The only concern at the moment is the possibility of increase in intraocular pressure. I know we've discussed it here previously but not in detail. Some people say dry eye can affect the balance and drainage of the fluid and increase the eye pressure.

Could you please shed some light on this? I remember you said dry eyes don't lead to high eye pressure but I'd like to know why and how. I found two medical sites (I don't know how reliable they are though) where they said dry eye can increase our IOP. Is it really possible for dry eyes to affect the balance or the drainage of the fluid and increase the eye pressure?

Thank you in advance.

doctor
Answered by Dr. Dadapeer K (51 minutes later)
Brief Answer:
Dry eyes will not cause rise of intraocular pressure of eye.

Detailed Answer:
Hello
Welcome to Health care Magic.

I am Dr. Dadapeer K an ophthalmologist and I will be answering your question.

I reviewed your history and the previous questions you have asked.

Dry eyes is not related to the rise of intraocular pressure or glaucoma.
Dry eye is because of involvement of the tears which is secreted by the lacrimal glands and drained into the nose by lacrimal drainage pathway.

Whereas intraocular pressure is because of involvement of the aqueous humor and its drainage. Aqueous humor is secreted inside the eye as an ultrafiltrate of blood and obstruction to the drainage of this causes rise in the intraocular pressure.

Since both involve different fluids and both mechanisms dry eye is not related to or known to cause increased intraocular pressure.

Hence no need to be worried.

Hope this is helpful to you.

Thank you
With regards
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Dadapeer K (18 minutes later)
Dear Dr. Dadapeer K,

Thank you very much for the quick and detailed answer.

Another thing that bothers me is the statement that "dry eyes can affect optic nerves"... Is this true? Can dry eyes really damage optic nerves either directly or indirectly?
I'm sorry if I'm asking you weird questions. Most of the medical sites that talk about dry eyes and its possibility of increasing IOP or damaging optic nerves are by ORIENTAL MEDICINE PRACTITIONERS..... They sound very flawed...

Thanks a lot doc
doctor
Answered by Dr. Dadapeer K (1 hour later)
Brief Answer:
Dry eyes cannot affect the optic nerves, no need to worry.

Detailed Answer:
Hello
Welcome to Health care Magic.


Thank you for the follow up question.

Optic nerves lie in the inner most of the eye and dry eye affects the surface of the eye. Hence these two conditions are not related to each other.
Hence dry eyes cannot affect the optic nerve.

Hence no need to be worried.

Hope I have answered your doubts and the information is helpful to you.
Do write back to me for further questions.

Thank you
With regards
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
Answered by
Dr.
Dr. Dadapeer K

Ophthalmologist

Practicing since :2003

Answered : 5709 Questions

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Do Dry Eyes Cause Intraocular Pressure Of Eye?

Brief Answer: Dry eyes will not cause rise of intraocular pressure of eye. Detailed Answer: Hello Welcome to Health care Magic. I am Dr. Dadapeer K an ophthalmologist and I will be answering your question. I reviewed your history and the previous questions you have asked. Dry eyes is not related to the rise of intraocular pressure or glaucoma. Dry eye is because of involvement of the tears which is secreted by the lacrimal glands and drained into the nose by lacrimal drainage pathway. Whereas intraocular pressure is because of involvement of the aqueous humor and its drainage. Aqueous humor is secreted inside the eye as an ultrafiltrate of blood and obstruction to the drainage of this causes rise in the intraocular pressure. Since both involve different fluids and both mechanisms dry eye is not related to or known to cause increased intraocular pressure. Hence no need to be worried. Hope this is helpful to you. Thank you With regards