An eye chart cannot measure the fluid pressure inside your eye, and that pressure is exactly what causes glaucoma to quietly damage vision over time. A comprehensive eye exam checks intraocular pressure directly, along with the retina and optic nerve, catching disease long before it changes how clearly you see. National Eye Exam Month, observed every August, is a reminder to get that number checked instead of relying on how your eyes feel.
Quick Takeaways
- Glaucoma is driven by internal eye pressure a standard vision chart cannot detect.
- A comprehensive exam checks eye pressure, the retina, and the optic nerve, not just visual sharpness.
- Average-risk adults need a baseline exam by 40, then every one to two years.
- Family history, age over 60, and certain ethnic backgrounds raise glaucoma risk and call for earlier screening.
- Sudden vision loss, eye pain, or new floaters need same-day medical evaluation, not a scheduled follow-up.
What Makes a Comprehensive Exam Different From a Vision Check?
A vision test tells you how sharply you see letters on a chart. It says nothing about the pressure inside your eye or the condition of your optic nerve, which is where glaucoma actually does its damage. At Kings Eye Center, the multi-specialist team of Cecilia Hernández, MD, and Nathan Panttaja, OD, regularly sees patients with perfect vision test results who still have measurable, early-stage glaucoma — a gap that only a full exam can close.
How Does Glaucoma Damage the Eye Without Warning?
Glaucoma develops when intraocular pressure, the fluid pressure inside the eye, gradually rises and damages the optic nerve fibers that carry visual signals to the brain. Damage typically starts at the outer edges of peripheral vision, an area most people don’t consciously monitor, so noticeable vision changes usually mean nerve damage has already progressed. This is why glaucoma is sometimes called the “silent thief of sight” — it can advance for years before a person notice anything wrong.
Who Should Ask About a Glaucoma Risk Assessment?
Family history of glaucoma, age over 60, and certain ethnic backgrounds all raise risk. According to the American Academy of Ophthalmology, African American and Hispanic adults face a higher lifetime risk of glaucoma and typically benefit from earlier screening. Patients in Hanford and across Kings County who fall into any of these categories can use Kings Eye Center’s glaucoma risk assessment as a starting point before their exam, giving the clinical team a clearer picture of individual risk from the first visit.
What Symptoms Mean You Shouldn’t Wait?
Gradual changes — dimmer vision, more glare at night, or a slowly shrinking field of side vision — are worth discussing at your next scheduled exam. A sudden increase in floaters, flashes of light, or a curtain-like shadow across part of your vision is different and needs same-day medical attention, since it can signal a retinal emergency rather than routine age-related change.
How Often Should You Actually Be Screened?
Seek care immediately for sudden vision loss, eye pain, a sudden increase in floaters, or flashes of light. Outside of an emergency, adults with no known risk factors should have a baseline exam by age 40, then follow up every one to two years, while anyone with a family history of glaucoma or other risk factors should ask their doctor about more frequent monitoring. Waiting for symptoms before scheduling an exam is the most common reason glaucoma is caught after damage has already occurred.
How Is Glaucoma Diagnosed and Treated?
Diagnosis relies on measuring intraocular pressure, examining the optic nerve, and imaging the retina during a dilated exam. The National Eye Institute notes that early treatment can slow or stop further optic nerve damage in most patients once glaucoma is identified. Treatment typically starts with prescription eye drops to lower eye pressure and can progress to laser or surgical options when needed, often performed on-site through the Kings Eye Surgical Center. Cataracts, another common age-related change, are evaluated separately but are often discussed during the same comprehensive visit.
What Happens During Your Visit?
A typical exam includes dilation, pressure testing, and imaging, followed by a clear, unhurried conversation about what the results mean. Kings Eye Center was built around a compassionate, personal approach to care, so patients leave with a specific next step, not just a stack of numbers.
If you’re due for a comprehensive exam in Hanford or elsewhere in Kings County, Kings Eye Center offers routine eye exams, glaucoma screening, and an on-site Optical Shop for new glasses. Schedule an appointment online or call (559) 585-3937.
FAQs
Reviewed by the clinical team at Kings Eye Center. Last reviewed: August 2026. The information in this article is for educational purposes only and does not substitute for a comprehensive eye examination by a qualified eye care professional.
Kings Eye Center serves patients in Hanford and throughout Kings County with a compassionate, experienced clinical team. Request an appointment online or call (559) 585-3937.
