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Collamer lenses for accommodative ET

Posterior chamber phakic IOL implantation was used to treat patients with accommodative esotropia (ET) with the goal of eliminating hyperopia and producing orthophoria. Three patients (six eyes) aged 18-22 years had an average follow-up of 17 months ±6.24. The mean...

Pentacam vs. IOL Master keratometry measurement in IOL power calculations

The IOL Master measures only the anterior corneal curvature and estimates the total corneal power by assuming a fixed relationship between the anterior and posterior corneal surface. The Pentacam measures both the anterior and posterior corneal surface and therefore calculates...

Open-field autorefraction screening

This study aimed to determine the efficacy of the Shin-Nippon NVision-K5001 autorefractometer using the open-field refractometry principle in the elimination of accommodation in children. One hundred and fourteen patients aged three to six years were recruited. After excluding ocular pathology...

Cycloplegic retinoscopy refraction versus Retinomax K-Plus 5 autorefraction

In this study, the authors present their results comparing cycloplegic refraction with retinoscopy versus hand-held Retinomax K-Plus 5 autorefraction. The study included 213 children aged 0.1 to 20 years (426 eyes). Mean age was 6.2 ±4.4 years. They examined sphere,...

Home Wi-Fi / range and security tips

This issue covers two topics that relate to Wi-Fi. The first is keeping your wireless network secure and the second is extending its range. Keeping home Wi-Fi secure Let’s say the recent computer attacks that resulted in disruption to NHS...

Smart speakers: for patients and practitioners

Many readers will have experience of using smart speakers, such as the Amazon Echo or the Google Home. These popular devices are inexpensive and powerful. In brief, smart speakers listen for a spoken trigger word, followed by verbal commands. Commands...

The art of giving generous grains

On the drive home, after a long day of eye screening patients in homeless shelters, I would pass through the boroughs, towns and villages of east London. Stopping at the soup kitchen, I would meet Christian with heavy cataracts, and...