30 Questions
At what age can childhood presbyopia develop?
Around 40 years old
What is the measure used to determine vision impairment severity?
Visual acuity
What does the numerator of a visual acuity fraction represent?
The distance at which the chart is viewed
According to the World Health Organization, what is the name of the report that provides information on vision and presbyopia?
World Report on Vision
At what distance is a vision chart typically viewed?
6 metres
What is the term for presbyopia that develops earlier in life due to environmental conditions?
Early onset presbyopia
What is the estimated market share of Essilor in the lenses market?
45%
What percentage of the global eyewear market is accounted for by lenses?
39%
Which company is the leading provider of frames?
Luxottica
What is the estimated value of the global eyewear market?
USD130 billion
What percentage of Essilor's revenue comes from LMICs?
Less than 10%
What is the price range of prescription eyeglasses in private optical companies in LMICs?
USD50 to USD200
What is the purpose of the Tiered system of payment in the Service Centres?
To generate revenue from the sales of eyeglasses
What is the role of the Vision Technicians in the primary eye care setup?
To provide basic eye care services
What is the estimated number of comprehensive eye exams conducted at the primary level?
50,000
What is the main advantage of DOT Glasses' supply chain?
Only 5 different corrective powers
What is the primary source of funding for the primary eye care services?
Sales of eyeglasses
What is the material used to create frames in the OneDollarGlasses model?
Flexible spring steel
What is the main difference between a Tertiary Centre and a Centre of Excellence?
Range of services offered
What is the purpose of the Centre of Excellence?
All of the above
What is the limitation of OneDollarGlasses and TwoBillionEyes products?
Varying levels of quality and limited customization options
What is the advantage of Peek Vision's smartphone-based vision screening app?
It is as accurate as conventional paper-based vision tests
What is the feature of Peek Solutions that aids in follow-up appointments?
Text message reminders in the local language
What is the benefit of new technologies for vision screening and refraction?
They create opportunities to reach more people
What is the main benefit of using Peek Acuity in a school screening programme in Kenya?
It nearly triples the number of children who attend follow-up appointments
What is the primary purpose of Peek Vision's consulting support to its partners?
To help identify programme gaps and optimise programme design
What is a characteristic of handheld refraction devices adapted to low-resource settings?
They can be operated by a technician with minimal training
What is the technology used by promising handheld autorefractors?
Wavefront aberrometry technology
What is the approximate cost of a handheld autorefractor?
USD 4,000 to USD 7,000
What is the purpose of Peek Solutions' population-based data analysis?
To optimise programme design and identify challenges in the pathway to care
Test your knowledge about presbyopia, a common age-related eye condition. Learn about its development, prevalence, and factors that contribute to its onset.
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