NSIGHT Study Highlights Prevalence of Common and Bothersome Eye-Related Symptoms
ROCHESTER, N.Y. – According to a global study of vision-corrected subjects surveyed to better understand eye-related symptoms, halos and glare are common and bothersome symptoms. Halos are the appearance of rings around sources of light while glare is the difficulty seeing in the presence of bright light. The majority of patients who experienced these symptoms reported they were most likely to experience halos or glare in the evening or late at night. The symptoms were commonly associated with bright lights, headlights, being in the dark and nighttime driving.
The Needs, Symptoms, Incidence, Global Eye Health Trends (NSIGHT) study surveyed 3,800 spectacle- and contact lens-corrected subjects, 15 to 65 years of age, from seven different countries (China, Korea, Japan, France, Italy, United Kingdom, United States) to better understand the eye-related symptoms that vision-corrected patients experience. The NSIGHT data provided valuable details on how often patients experienced halos and glare and the degree to which they found them bothersome.
NSIGHT Study Highlights:
“We know that during low-light situations, our pupils become larger, and halos and glare are more prevalent. This means everyday activities, such as driving at night, can be impacted as our vision is affected by spherical aberration,” said Nick Dash, BSc, MCOptom. “It is important for eye care professionals to discuss vision in low-light situations with their patients to ensure solutions are identified for patients experiencing halos and glare.”
These study findings indicate that the severity of symptoms associated with halos and glare is sufficient enough to impact patient satisfaction with prescribed vision correction methods. Coupled with how bothersome patients tended to find halos and glare, about 90% of these patients (90% for halos, 91% for glares) reported having either no solution or one that was unsatisfactory. Moreover, the same rate of these patients (89% for halos, 87% for glares) expressed an interest in an intervention that more adequately addressed these symptoms.
“At Bausch + Lomb, we believe there is an opportunity for eye care professionals to address these common and bothersome symptoms with their patients,” said Carla Mack, O.D., F.A.A.O., director, Global Medical Affairs for Bausch + Lomb. "Some spectacle designs
as well as aspheric contact lenses may help patients achieve optimal visual correction with no halos or glare".
The study, commissioned by Bausch + Lomb, was conducted by an independent market research firm, Market Probe: Europe. Additional analyses and reports from the exhaustive data obtained in NSIGHT are expected to appear in optometry journals and professional congresses throughout 2011.
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