Refraction (Eye Power Test)

KG Optometry Sdn Bhd - Refraction (Eye Power Test)

1. What Is Refraction?

• A refraction test determines your eye’s prescription for glasses or contact lenses.

• It measures how light bends (refracts) as it passes through the eye.

• Essential for diagnosing refractive errors like myopia, hyperopia, and astigmatism.

2. What To Expect During Your Refraction Test

• Eye exam begins with a discussion about vision and health history.

• You'll look through lenses, adjusting based on feedback to find the clearest vision.

• The test is painless and typically lasts about 20–30 minutes.

3. Process of Refraction

• Initial assessment of visual acuity using an eye chart.

• Phoropter used to switch lenses until optimal vision is achieved.

• Optional: Use of a retinoscope for more detailed measurement.

4. Benefits of Refraction

• Provides accurate prescriptions for improved vision.

• Detects early signs of eye conditions like cataracts and glaucoma.

• Helps prevent eye strain and related headaches by improving focus.