Understanding Visual Acuity Measurement and 20/20 Vision

Why Is the Pre-LASIK Eye Examination Important, and Why Does It Take Up to 3 Hours? The significance of a comprehensive pre-LASIK eye examination lies in ensuring the best possible outcomes for LASIK patients. But why does this process take up to 3 hours? At Laser Vision, our commitment to delivering top-tier LASIK treatment involves an intricate evaluation of patients' eye conditions, utilizing state-of-the-art tools to assess vision and provide critical data for diagnosis, procedure planning, and the selection of the most suitable LASIK treatment method for achieving the clearest vision.   This meticulous process comprises four essential steps:   Step 1: Patient History To initiate the LASIK journey, our medical team at Laser Vision requests patients to complete forms and provide their medical history. This information helps determine if patients are taking any medications or have a history of specific medical conditions that could affect or contraindicate LASIK surgery. This initial assessment aids in evaluating whether patients should undergo a comprehensive eye examination for LASIK. This step typically takes 10-20 minutes.   Step 2: In-Depth Eye Assessment The process commences with a baseline visual acuity measurement using an Auto Refractometer, assessing eye pressure through IOP measurements using an air puff, analyzing corneal curvature and thickness with the Pentacam machine, and evaluating eye rigidity with the Corvis instrument. Following these assessments, an optometrist examines the patient's visual capabilities. In some cases, patients may need to try on corrective glasses to simulate the effects of the intended LASIK correction, especially if they have both myopia and hyperopia. The duration of these steps varies, with each taking 30-60 minutes, contingent on individual circumstances.   Step 3: Detailed Eye Assessment After Pupillary Dilation Subsequently, the staff revisits all previously recorded measurements to make before-and-after comparisons following pupillary dilation, enabling a more thorough assessment of potential changes. This step entails a repeat of the measurements conducted in Step 2.   Step 4: Consultation with the Ophthalmologist In the final step, patients meet with an experienced ophthalmologist. Employing a specialized microscope, the ophthalmologist examines overall eye health, both internally and externally. Subsequently, they elucidate the patient's current visual status and eye health. The ophthalmologist discusses the anticipated post-LASIK vision, as well as any constraints associated with each specific LASIK procedure type. Furthermore, the ophthalmologist inquires about the patient's lifestyle and provides post-operative care recommendations. This comprehensive consultation ensures patients gain a clear understanding of the LASIK procedure, paving the way for optimal results.   Laser Vision's comprehensive pre-LASIK examination process is designed to assure our patients of professional, high-quality service, convenience, and superior treatment outcomes. Should you have inquiries or require additional information, please don't hesitate to reach out to us at 02-511-2111 or 02-939-6006.  

Understanding Age-Related Eye Health Issues and Care As we age, it's natural to prioritize physical health, working diligently to prevent diseases such as diabetes, heart conditions, and high blood pressure. However, one aspect that often gets less attention is our eye health. Surprisingly, a survey by The International Agency for the Prevention of Blindness (IAPB) revealed that a significant 80% of individuals over the age of 50 experience various eye problems, with some facing the daunting prospect of blindness.   Age-Related Eye Problems   1. Presbyopia: The Age-Related Vision Challenge This age-related vision issue, known as presbyopia, typically emerges in one's early 40s or later. It's akin to looking through a foggy window, causing a decline in sharpness, particularly noticeable when driving at night.   2. Glaucoma: The Silent Thief of Sight Glaucoma, characterized by elevated eye pressure, stiffens the eye, affecting peripheral vision while retaining central vision. There are two main types: closed-angle and open-angle glaucoma. Closed-angle glaucoma is more prevalent in elderly women, causing sudden eye pain and blurred vision, necessitating immediate attention. In contrast, chronic open-angle glaucoma is often asymptomatic, making regular eye exams crucial for early detection.   3. Age-Related Macular Degeneration (AMD): A Leading Cause of Vision Loss Age-Related Macular Degeneration (AMD) is a significant contributor to vision loss in the elderly. It starts with clear peripheral vision but blurry central vision due to macular tissue abnormalities. It often has a hereditary component and is associated with risk factors such as high blood pressure, high cholesterol, obesity, and smoking.   Other Eye Health Concerns   4. Floaters: Understanding Those Pesky Spots Floaters, those small dark spots or streaks in your vision, can resemble flying insects. These result from changes in the vitreous substance inside the eye. While they're usually harmless, an excessive amount, accompanied by decreased vision, should prompt a visit to an ophthalmologist.   5. Cataracts: The Clouding of Vision Cataracts, the clouding of the eye's lens leads to reduced vision. Cataracts are common among the elderly and can be related to aging, diabetes, high blood pressure, and smoking. Surgical removal is often necessary when they significantly impair vision.   Regular Eye Health Check-ups Just like overall physical health, it's vital to schedule regular eye check-ups, at least annually, with a specialist.   Conclusion: Optimizing Eye Health in Your Golden Years In your pursuit of a healthy and fulfilling life as you age, don't overlook the significance of eye health. By understanding common age-related eye issues and the importance of regular check-ups, you can safeguard your vision and enjoy a vibrant, active lifestyle well into your golden years.