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.
On this page: 5 causes of high eye pressure â¢ High eye pressure treatment. Ocular hypertension means the pressure in your eyes  your intraocular pressure (IOP)  is higher than normal. Left untreated, high eye pressure can cause glaucoma and permanent vision loss in some individuals. However, some people can have ocular hypertension without developing any damage to their eyes or vision, as determined by a comprehensive eye exam and visual field testing.