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what is a normal eye pressure reading

A 58-year-old female asked:
Dr. Richard Carlin
49 years experience Ophthalmology
Usually yes.: Generally eye pressure is higher in the mornings and lower in the afternoon but this is not true for everyone.
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Dr. Peter Francis
28 years experience Retinal Surgery
Generally yes: Traditionally, intraocular pressure is higher in the morning than the afternoon. That is likely not the whole story with evidence of pressure spikes ... Read More
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A 58-year-old female asked:
Dr. Tim Conrad
33 years experience Ophthalmology
No: Most ophthalmologists do not adjust pressures based on corneal thickness. The important measurement is the pressure drop that occurred with treatment ... Read More
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A 58-year-old female asked:
Dr. David Medford
36 years experience Ophthalmology
VariableEyePressure: Simply stated, the eye pressure (iop) can vary day-to-day, hour-to-hour. A 40% (20-28) increase from one day to the next seems unusual. Were the read ... Read More
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Dr. Bruce Saran
32 years experience Ophthalmology
Normal : Intraocular pressure (iop) can fluctuate throughout the day. It is usually higher in the morning. Greater fluctuation is one of many parameters that ... Read More
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A 58-year-old female asked:
Dr. Tim Conrad
33 years experience Ophthalmology
Depends: A solitary pressure reading has little value in determining whether an issue is present. It needs to correlated to the condition of the optic nerve. ... Read More
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A 58-year-old female asked:
Dr. Richard Bensinger
51 years experience Ophthalmology
Generally yet: There is a nomogram relating corneal thickness to internal pressure and at a thickness of 510 (on the thinner side) the pressure estimate is 2 points ... Read More
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A 58-year-old female asked:
Dr. Robert Chang
Specializes in Ophthalmology
Yes: Many variables affect pressure reading including the machine type, the method, the calibration, the operator, time of day, breathing and ocular perfus ... Read More
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A 59-year-old female asked:
Dr. Olivia Liao
30 years experience Ophthalmology
Yes: Because the cornea is thin, your actual eye pressure is 2 points higher than measured.
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A 58-year-old female asked:
Dr. William Dieck
37 years experience Ophthalmology
Get third opinion: This is a case where i would normally side with the glaucoma specialist, but you will never be convinced you received the correct diagnosis. I would a ... Read More
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A 32-year-old male asked:
Dr. Jeffrey Whitman
44 years experience Ophthalmology
Doubtful---glaucoma : Doubtful---glaucoma can effect anyone particularyly as they age. Thankfully with good treatment you should not lose any vision to the disease.
A 43-year-old member asked:
Dr. Jan Lei Iwata
25 years experience Ophthalmology
It has a wide range: Best to know what your normal range is upon measurement at the eye doctor, and that your optic nerve is looking healthy. That's a better indicator. So ... Read More

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