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R Contact Name: by Title OCTOBER 2020 | EYEWORLD | 41 the microscope are still used as a light source, but instead of going into your eyes, it's going into a sensor, he said. These have evolved up to 4K sensors or higher, which is processed quickly by a sophisticated image processing system that eliminates any lag. "Most surgeons are not noticing any lag or loss of contrast or resolution when they operate through the current generation 3D systems," he said. Dr. Weinstock also called the ergonomics of heads- up technology "a whole game changer." Study after study has been done, not just in ophthalmology, showing that the risk of work-related injury from microscopes is huge, he said, adding that 50–70% of microscopic surgeons at some point will suffer from acute or chronic back or neck injury relating to the position they're in from operating for a long time. "When a surgeon is operating, they're frozen in one position," he said, which can cause stiffness and the poten- tial for the surgeon to lose concentration/focus. Dr. Weinstock said comfort when you operate will allow you to operate longer, extend your career, and take less time off of work due to injuries. In addition, the abil- ity to operate in that position may to lead to less surgical complications because you're more comfortable, he said. Dr. Ganesh commented that the heads-up technology offers the surgeon the option to operate while standing. He noted that sometimes a patient may have difficulty lying flat, and with this technology, he has performed sur- gery where the patient is essentially sitting upright. When asked about the possibility of converting during surgery from the heads-up display to the traditional micro- scope, Dr. Weinstock said it's possible, but he no longer finds it necessary. When the heads-up technology was newer, and the resolution was not as high and the quality of the image not as good, Dr. Weinstock used to have a beam splitter and could switch back and forth. "But in the current generation, when surgeons switch over to this, you can dive right in and take the oculars off and put the camera on," he said. "Once you get used to it, you don't go back." Dr. Weinstock added that guidance systems and overlays can also be used with this heads-up technology, continued on page 42 A F R E S H P E R S P E C T I V E ™ 2500 Sandersville Rd ■ Lexington KY 40511 USA lacrivera.com ( 855 ) 857-0518 © 2020 Lacrivera, a division of Stephens Instruments. All rights reserved. Dry eye relief that goes the distance For every leg of the race, we'll help you keep the pace. From temporary diagnostic occlusion to long-term silicone plugs, Lacrivera offers a complete line of innovative products for the treatment of dry eye. Vera180 ™ VeraC7 ™ Synthetic absorbable plugs for approximately 6 months of treatment 7 day absorbable plugs for diagnostic use Long-term occlusion with enhanced fit, comfort and retention VeraPlug ™ FlexFit ™

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