Should i be worried if intraocular pressure elevated at 22 mm hg?

No: This is mild elevation. I suggest returning to your ophthalmologist to recheck this pressure in six months to a year.

Normal IOP 10-20: Intraocular pressure (aka IOP) usually runs between approximately 10 and 20 mm Hg. It is frequently elevated in glaucoma, although not always. A pressure of 22 is elevated, although like with blood pressure there can be fluctuations. If you have no family history of glaucoma, I would recommend a recheck in 6 months. If you do have a history, I would have it rechecked in 3 months.