Marlette is a city in Sanilac County in the U.S. state of Michigan. The population was 1,875 at the 2010 census. The city is located within Marlette Township, but is politically autonomous. Marlette is known as The Heart of the Thumb due to its location in Michigan's thumb.
Measuring Eye Pressure. Eye pressure is measured in millimeters of mercury (mm Hg). Normal eye pressure ranges from 12-22 mm Hg, and eye pressure of greater than 22 mm Hg is considered higher than normal.When the IOP is higher than normal but the person does not show signs of glaucoma, this is referred to as ocular hypertension.High eye pressure alone does not cause glaucoma. However, it is a significant risk factor.Individuals diagnosed with high eye pressure should have regular comprehensive eye examinations by an eyecare professional to check for signs of the onset of glaucoma.igh eye pressure alone does not cause glaucoma. However, it is a significant risk factor. Individuals diagnosed with high eye pressure should have regular comprehensive eye examinations by an eyecare professional to check for signs of the onset of glaucoma.
1 Normal eye pressure ranges from 10-21 mm Hg. 2  In a case of acute angle-closure glaucoma, IOP may be as high as 40-80 mm Hg. 3  Biomicroscopy is a technique to examine the front of your eyes and uses a special microscope called a slit lamp.ramatic symptoms of acute angle-closure glaucoma include the following: 1  Severe eye pain. 2  Nausea and vomiting. 3  Headache. 4  Blurred vision and/or seeing haloes around lights (Haloes and blurred vision occur because the cornea is swollen.). 5  Profuse tearing.