Eyes are complex organs that are vital to daily life. Regular eye exams help detect abnormalities at an early stage, reduce the risk of serious diseases, and allow treatment to be planned appropriately — so you can maintain clear vision and use your eyes well for years to come. So what does an eye exam actually check, and how should you prepare? Find the answers in this article.
Key Takeaways
- An eye examination helps assess your vision and screen for eye diseases in their early stages.
- You should have an eye exam at least once a year, especially if you have underlying conditions such as diabetes or high blood pressure, or are aged 40 and over.
- An eye exam covers measuring your level of vision, checking eye pressure, and examining the condition of the various parts of the eye.
What Is an Eye Examination and Why Is It Important?
An eye examination is the process of testing and assessing how well you see, as well as checking for abnormalities in the structure of the eye, performed by an ophthalmologist. The process ranges from preliminary screening to the use of specialized ophthalmic instruments for an accurate diagnosis.
In addition, an eye exam is not limited to correcting blurred vision — it is also a way to monitor for diseases or conditions that could cause permanent vision loss, such as abnormal eye pressure, diabetic retinopathy, orRetinal Diseases , when these are detected and treated promptly, they help reduce the chance of visual disability.
Eye Examination Packages at Thai Eye Hospital
Basic Eye Checkup Program, Starting at 800 Baht
Thai Eye Hospital is ready to care for the eye health of you and your loved ones with a basic eye checkup program to screen for cataracts, pinguecula, glaucoma, pterygium, and retinal disease, starting at just 800 baht.
Terms of service:
- Please make an appointment in advance by calling (+66)2-689-8888 during business hours, or via LINE Official: @thaieyecenter
- The price in this package does not include additional charges if the ophthalmologist detects an abnormality requiring special diagnostic examinations beyond the items listed in the package.
- The hospital reserves the right to change these terms without prior notice.
Who Should Have an Eye Exam?
Even without any noticeable symptoms, having an eye health check is something worth doing at every stage of life, in order to screen for risks that may arise without your knowledge. The groups of people who should look for an eye clinic are as follows:
- Children up to 3 years old: Should have an eye exam to assess for strabismus (crossed or misaligned eyes) or amblyopia (lazy eye), which must be corrected before the age of 7.
- Children and Teenagers: Focus on checking for vision problems caused by computer use (computer vision syndrome) and screening for eye allergies, especially for those in dusty or smoky environments.
- People aged 40 and over: Should begin eye exams to screen for age-related diseases such as Cataract — which, if not properly managed, may require cataract surgery in the future — as well as eye-pressure checks to assess the risk ofGlaucoma .
- People aged 60 and over: Should have an eye exam every year to screen for eye diseases at the earliest stages.
- People with underlying conditions: Especially those with diabetes, high blood pressure, or autoimmune disease (SLE), which directly affect the eyes and require regular monitoring.
Why Is an Annual Eye Exam Important?
Setting aside just a few hours a year to visit an eye clinic can effectively reduce the risk of vision loss. The main reasons patients should be aware of are as follows.
Measuring Your Vision to Solve Sight Problems
An eye exam measures your level of vision and helps identify refractive errors — whether nearsightedness, farsightedness, or astigmatism. The correct prescription helps reduce eye strain and lowers the risk of accidents.
Detecting Eye Diseases at an Early Stage
An ophthalmologist can see abnormalities invisible to the naked eye through examination with a microscope (slit lamp), which helps detect important risks such as:
- Signs of acute glaucoma or angle-closure glaucoma, which often damage the optic nerve without the patient realizing it.
- Screening for cataracts, which cloud the eye's lens, cause blurred vision, and may affect daily life.
- Assessing the symptoms of pterygium — a fleshy growth resulting from accumulated exposure to sunlight and wind, which may require pterygium surgery if it progresses.
- Screening for pinguecula, which may develop into pterygium in the future.
Greater Safety in Daily Life
Good vision is essential for safety, especially when driving at night or doing work that requires high precision, such as acupuncture or performing surgical procedures. An eye exam helps ensure that your field of vision and depth perception are still functioning normally.
Caring for Long-Term Eye Health
An eye exam is an important part of long-term preventive health care, especially for those with underlying conditions that may affect the visual system, as follows:
- Diabetes: An eye exam in diabetic patients helps monitor for diabetic retinopathy.
- High blood pressure and high cholesterol: These conditions can cause blockages or narrowing of the blood vessels in the retina.
- Certain thyroid diseases: May cause bulging eyes, swollen conjunctiva, or affect the optic nerve to the point of reduced vision.
Regular eye exams help doctors screen for diseases and plan ahead to prevent complications that affect the quality of your vision, in a timely manner.
How to Prepare Before an Eye Exam?
To ensure accurate results and the greatest convenience for you, here is some basic preparation you should do:
- Bring your current glasses or contact lenses: so the ophthalmologist can assess the difference between your old and new prescription.
- Prepare your health history: including the names of medications you take regularly, underlying conditions, and any family history of eye disease.
- Avoid driving yourself: if your pupils will be dilated, as this can cause temporary blurred vision and light sensitivity.
- Bring sunglasses: to wear after the exam in some cases, especially if your pupils are dilated or you experience light sensitivity afterward.
- Ask for informations: such as how much pupil dilation costs or how much for eye examination costs.
Steps in an Eye Examination
When you see an ophthalmologist at an eye clinic or hospital, the basic eye exam follows these steps:
- History taking: Asking about any abnormal symptoms, your history of eye use, and various risk factors — for example, whether anyone in your family has had glaucoma or eye surgery.
- Visual acuity test: Measuring your level of vision using an eye chart (Snellen chart) to test the sharpness of vision in both the left and right eye.
- Tonometry (eye pressure test): Measuring the pressure inside the eye using an air-puff device to screen for eye diseases — for instance, high eye pressure may indicate a risk of glaucoma, while low pressure may indicate a risk of retinal detachment, a medical emergency that can cause vision loss.
- Refraction: Using an instrument called a phoropter to assess your prescription and check for nearsightedness, farsightedness, or astigmatism.
- Eye Examination with Slit Lamp: Using a microscope to examine the front structures of the eye, such as the cornea, pupil, and lens, to find eye abnormalities such as cataracts.
- Fundus exam (retinal examination): Pupil-dilating drops may be used in some cases, such as for diabetic or hypertensive patients, to examine the retina in detail.
- OCT (Optical Coherence Tomography): A three-dimensional cross-sectional scan of the retina and optic nerve, which helps diagnose retinal disease, macular degeneration, etc.
Don't Neglect Your Eye Examination, for Long-Term Vision Health
An eye exam is more than just measuring your prescription — it is an overall eye health check that effectively screens for serious diseases. Those who are at risk or have symptoms should see an eye doctor promptly to get an accurate diagnosis. Early care helps reduce the chance of vision loss and improves quality of life in the long run.
For those who are at risk and looking for an eye treatment clinic, or who would like to consult an ophthalmologist, Thai Eye Hospital is ready to serve you with modern technology — covering everything from basic eye health checks to complex procedures such as cataract surgery, pterygium removal surgery, and the treatment of corneal and retinal diseases — with a team of specialist ophthalmologists ready to care for your eyes professionally.
Contact Us
- Facebook :Thai Eye Hospital
- Line official :@thaieyecenter
- Email : [email protected]
- Tel : 02-689-8888
Frequently Asked Questions (FAQs)
How much does an eye examination cost?
The cost of an eye exam depends on the items examined and the instruments used. You should check the price with the hospital for accuracy.
What diseases can an eye examination detect?
It can detect diseases such as cataracts, glaucoma, diabetic retinopathy, and macular degeneration, as well as refractive errors and other conditions related to the structure of the eye.
References
- Turbert, D. (2024, February 14). Eye Exam and Vision Testing Basics. American Academy of Ophthalmology. https://www.aao.org/eye-health/tips-prevention/eye-exams-101
- Why Eye Exams Are Important. (2024, May 15). Centers for Disease Control and Prevention. https://www.cdc.gov/vision-health/about-eye-disorders/why-eye-exams-are-important.html
- Eye Exam: When to Go, What Tests Are Performed, and How to Prepare. (n.d.). Eye7 Eye Hospitals. https://www.eye7.in/eye-test/#2-refraction-test
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