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Alicia Hoglund

PEOPLE

PPG Industries has named John Liebenguth its new general manager, optical materials. In his new role, Liebenguth will be responsible for the optical monomers, coatings, sunlens, and industrial lines of business. Michael O’Connor has joined the QSpex Technologies, Inc., management team as vice president, manufacturing. O’Connor brings 20 years of manufacturing and operations experience to the position. Tim Fortier has joined Match Eyewear as the new vice president of sales, Eastern U.S. and Canada. Previously, Fortier was regional sales manager with Viva Group International for 11 years. VSP Global has appointed Darryl Lemecha to the position of chief technology officer. Lemecha most recently served as chief operating officer of Eyefinity. John Liebenguth, PPG Industries Michael O’Connor, QSpex Technologies Tim Fortier, Match Eyewear Darryl Lemecha, VSP Global

Dan Motter’s Fatheadz-sponsored car

BUSINESS UPDATES

Topcon Medical has formed a new division within the company that will focus solely on its software product line. The “Topcon Software Solutions” (TSS) Division will be headed up by Robert J. Orsino, vice president of engineering.

Fatheadz Eyewear has joined the 2013 sponsorship line-up on Dan Motter’s 71M Motter Motorsports sprint car, to be driven by Joey Saldana in the World of Outlaws STP Sprint Series.

Acuity Pro inventors Dan Bintz, OD, and Jerry Carter, OD

A digital eye chart known as Acuity Pro, invented by optometric physicians Jerry Carter, OD, and Dan Bintz, OD, a member of the Oklahoma Association of Optometric Physicians (OAOP), is being used in a scientific study conducted by NASA. The study focuses on decreased visual acuity that astronauts seem to experience due to long-term exposure to microgravity while in space.

ClearVision Optical’s award-winning Marc Ecko Cut & Sew cleaning cloths

Charmant’s Benjamin Colombara and Harry Aida, Asdamar’s Roberto E. Marquez Zalamea, and Charmant’s Jean Simone

AWARDS

ClearVision Optical received a HOW Magazine InHOWse Design Award for the design of its Marc Echo Cut & Sew cleaning cloths.

To commemorate the 30th anniversary of the partnership between Columbian distributor Asdamar and the Charmant Group, Asdamar CEO Roberto E. Marquez Zalamea presented Charmant president Harry Aida with a plaque at the company’s Morris Plains, NJ, office.

WORD SEARCH

Below, the answers to the Lensometer word search by Jenean Carlton, BA, ABOC, NCLC.

Knowledge Center

As part of the Back to Basics series, the April issue of EB featured a crossword puzzle as an accompaniment to “The Power of Polarization” by Jenean Carlton, BA, ABOC, NCLC. Here, we provide the clues and answers to the puzzle.

across

1 The majority of polarized lenses today still use a ______ polarizing film.

5 In 1928, Land created the first sheets of ________ film.

8 A property of some crystals to exhibit different colors, primarily two different colors, when viewed along different axes.

10 Herapathite crystals are a ________ form of iodoquinine sulfate.

13 Edwin _______ was interested in the properties of light from an early age.

14 In 1935, ____________ ___________ signed a licensing agreement to use Land’s polarizing film for the production of sunglasses. (Two words)

15 Brewster used __________ crystals, which functioned as polarizers, to create the eyepiece for his invention.

17 _____________ crystals act as a dichroic material.

19 The PVA sheets were then ___________ to a solid sheet of plastic for stability.

21 ________ sunwear eliminates glare.

22 _________ screens are polarized.

23 Reflected _________ is common in the outdoors.

down

1 When two polarizer filters are __________ to each other, the light passing through is blocked.

2 Land’s new polarizing film consisted of clear plastic sheets of __________ _________. (Two words)

3 Rays of light consist of an electrical and ___________ field.

4 The ____________ was invented by physicist Sir David Brewster in 1816.

6 ______________ is the double refraction of light in a transparent material.

7 Land’s experiment with smaller _________ sulfate crystals worked.

9 Polarized sunwear eliminates glare by blocking _____________ reflected light waves.

11 Herapathite crystals were extremely fragile and _____________ light in multiple directions.

12 A common _____________ used in the optical industry is the Titmus Fly Stereotest.

16 _________ was in short supply during the war as the drug was used to treat soldiers with malaria.

17 Glass used in side and rear vehicle windows is heat ______________.

18 Normal light waves are ___________ oriented.

20 __________ absorbed into the molecular chains forming parallel, darkened lines that polarize light.