Eye Pressure Measurement

Eye Pressure and How It's Measured ​

IMG 4255 in Peachtree Corners GA
IMG 4256 in Peachtree Corners GA

Insight into Intraocular Pressure (IOP) and Monitoring 

Maintaining optimal intraocular pressure (IOP) is crucial for overall eye health, and regular measurements play a key role in managing conditions like glaucoma. At Peachtree Ophthalmology, your local eye clinic at Norcross near Peachtree Corners, we like to empower patients with clinical information. Here’s a comprehensive overview: 

  1. What is Intraocular Pressure (IOP): Intraocular pressure refers to the fluid pressure inside the eye. This pressure is primarily determined by the balance between the production and drainage of the eye’s clear fluid, known as aqueous humor. Normal IOP is essential for maintaining the eye’s shape and supporting proper function.
  2. Significance of Eye Pressure: Abnormalities in intraocular pressure, either too high or too low, can lead to vision problems and eye diseases. Elevated IOP is a significant risk factor for glaucoma, a group of eye conditions that can result in optic nerve damage and vision loss.
  3. How Eye Pressure is Measured: Eye pressure is measured using a device called a tonometer. There are different types of tonometers, and the most common methods include:
    • Goldmann Applanation Tonometer: This is a widely used instrument that involves applying a tiny amount of pressure to the cornea. The amount of pressure needed to flatten a small area of the cornea is measured and used to calculate IOP. 
    • Non-Contact (Air Puff) Tonometer: This method measures IOP by directing a quick puff of air onto the cornea. The instrument calculates IOP based on the corneal response to the air pressure. 
    • Rebound (iCare) Tonometer: This is a more recent development where a small probe makes momentary contact with the cornea and measures the force required to move the probe. 
  1. Frequency of Eye Pressure Checks: The frequency of eye pressure measurements depends on various factors, including age, risk factors, and the presence of eye conditions. Individuals with a family history of glaucoma or other risk factors may need more frequent eye pressure checks.
  2. Importance in Glaucoma Management: For individuals with or at risk of glaucoma, regular monitoring of intraocular pressure is crucial. Elevated IOP may indicate the need for adjustments in treatment plans to prevent further optic nerve damage.
  3. Pain-Free and Quick Procedure: Measuring eye pressure is a pain-free and relatively quick procedure performed during routine eye exams. It provides valuable information for assessing overall eye health and managing conditions that impact intraocular pressure.
Peachtree Ophthalmology- Eye Doctor Near Me in Norcross GA

Regular eye pressure measurements, along with a comprehensive eye examination, contribute to proactive eye care. Schedule an appointment at Peachtree Ophthalmology, located at Norcross near Peachtree Corners, for personalized eye health assessments and monitoring of intraocular pressure. 

How To Contact Us

Our eye clinic is ideally located close to the intersection of Holcomb Bridge Rd and Spalding Dr. Serving Norcross GA, Duluth, Sandy Springs, Roswell & Johns Creek.


4045 Wetherburn Way, Ste 1
Peachtree Corners, GA 30092

Phone & Fax


Office Hours

Mon - Fri: 8:00 a.m. to 5:00 p.m.
Sat & Sun: Closed

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