Lighting And Employee Productivity

One of the proactive issues you can do something about today with your staff is to evaluate the lighting in your eyecare office. Research has shown that the lack of proper lighting and sun can effect both the mind and the body. Since Americans spend 90% of their time indoors, improper lighting can lead to poor morale and a condition called SAD. (Seasonal Affective Disorder)

Eye Bogglers:

  • Poor lighting can be responsible for lack of energy.
  • Windows are the number one determinant of the workers level of satisfaction
  • 68% of employees complain about the lighting situation in their offices. (American Society of Interior Design)
  • Too dim and too harsh are the most common compliments about office lighting. Dim, Harsh and Florescent lighting can cause eye strain and worse yet trigger headaches.
  • Studies show that people who have little exposure to sunlight are often depressed, battle fatique and have increased illnesses.
  • Scientist believe that between 10 and 25% of Americans suffer from this SAD in the winter months.
  • 46 Minutes more sleep/ night by workers with windows in the workplace The body creates melatonin with dim lighting. Melatonin is a hormone that helps people sleep.
Image: Strategy Driven

Daylight and The Effect on Sales and Productivity.

  • A Daylighting and Productivity Study by Pacific Gas and Electric examined the correlation between occupant productivity and exposure to daylight within retail and school buildings. The study demonstrates increased sales (average 40%) and better school test performance (typically 10-20%) when occupants are exposed to daylight.
  • Retail sales analysis included data from 108 stores, two thirds with skylighting. The study found that skylights [or natural daylighting from full spectrum fluorescent tubes] significantly correlate to higher sales with 99% statistical certainty. According to the study, a skylit store would be likely to have an average of 40% higher sales than similar stores without skylights, with an expected range of increase between 31-49%
  • A study published in the May/June 1995 issue of Solar Today found that one company, Lockheed, saved $500,000 a year in energy costs by upgrading its industrial lighting system. What the company didn’t expect was a 15% increase in employees’ productivity and a 15% reduction in absenteeism. Another company, West Bend Mutual, increased productivity by 16%, which reducing its energy bill by 40%.
  • Glance Influence – It was found that 9.5% more of passing shoppers turned their heads to glance into the GNC storefront when the end-cap display was illuminated than when it was not.  Specifically, when the end-cap displays were illuminated, 21.6% of customers glanced into the storefront as compared to 12.1% when the lights were off. In relative terms, this is a 78.5% increase in glancing behavior.

That is well and good if you have daylight, but unfortunately many (most) office don’t have daylight or skylight availability so it makes sense to reinact daylight as much as possible in your eyecare office.

What to look for:

  • Lamps and lighting fixtures that mimic the color and light of the sun without exposing you to any dangerous UV lights.
  • Look for lighting that that is 3x brighter than the rest of the room



TC Charton Giselle - The Optical Journal