Every numeric claim on the OptoDome™ site, with its source
We keep marketing pages clean by collecting citations here and linking this page from the footer. The table below lists the data-backed numeric claims we publish, the page each claim appears on, the publisher and year, and a direct link to the original source. If a claim ever falls out of date or can't be supported, we'll re-source or rewrite it.
| Claim | Page | Source | Year |
|---|---|---|---|
| More than 16 million U.S. adults have diagnosed dry eye disease (Farrand et al., American Journal of Ophthalmology, 2017). | Dry Eye Treatment | Farrand et al., American Journal of Ophthalmology Prevalence of Diagnosed Dry Eye Disease in the United States Among Adults Aged 18 Years and Older | 2017 |
| Email marketing returns an average of $42 for every $1 spent (DMA Marketer Email Tracker / Litmus State of Email, 2019). | Homepage — Six gaps sectionWhy OptoDome — Industry stats sectionManaged Newsletters | Litmus / DMA The ROI of Email Marketing — average $42 returned for every $1 spent on email (Litmus State of Email and DMA Marketer Email Tracker) | 2019 |
| 46% of all Google searches are seeking local information (Google, via Search Engine Land summary). | Homepage — Six gaps section | Google / Search Engine Land (citing Google) Local intent — 46% of all Google searches are seeking local information | 2018 |
| 53% of mobile site visits are abandoned if pages take longer than three seconds to load (Google / SOASTA Research, 2017). | Homepage — Six gaps sectionWhy OptoDome — Industry stats section | Google / SOASTA Research (Think with Google) Find out how you stack up to new industry benchmarks for mobile page speed — 53% of mobile site visits are abandoned if pages take longer than 3 seconds to load | 2017 |
| 78% of customers buy from the first business to respond to their inquiry (Harvard Business Review / MIT-InsideSales lead-response research). | Homepage — Six gaps sectionWhy OptoDome — Industry stats section | Harvard Business Review (Oldroyd / McElheran / Elkington) The Short Life of Online Sales Leads — analysis of 100,000+ web-generated leads across 2,241 companies; 78% of customers buy from the first business to respond; 23% of companies never respond at all | 2011 / replicated 2018–2024 |
| 23% of companies never respond to inbound web leads at all, replicated across multiple lead-response mystery-shopper studies. | Homepage — Six gaps sectionWhy OptoDome — Industry stats section | Harvard Business Review (Oldroyd / McElheran / Elkington) The Short Life of Online Sales Leads — analysis of 100,000+ web-generated leads across 2,241 companies; 78% of customers buy from the first business to respond; 23% of companies never respond at all | 2011 / replicated 2018–2024 |
| U.S. optometry per-patient revenue typically runs $325–$375 per comprehensive exam, and with eyewear and contact-lens capture across 1–2 years of repeat visits, average per-patient LTV lands around $1,200/yr — the conservative blended benchmark used in our pricing ROI math. | PricingHomepage — ROI Calculator | Review of Optometric Business + American Optometric Association (AOA) Per-Patient Revenue Benchmarks for U.S. Optometry Practices — median revenue per exam $325–$375 with eyewear/contact-lens capture pushing per-patient LTV to ~$1,200/yr (AOA + Eyecare Business benchmarks) | 2024 |
| 76% of people who do a 'near me' search on a smartphone visit a related business within 24 hours (Google / Think with Google). | Why OptoDome — Industry stats section | Google / Think with Google How Mobile Search Connects Consumers to Stores — 76% of nearby smartphone searches visit a related business within a day | 2016 |
| Roughly 58.5% of U.S. Google searches end without any click to the open web (SparkToro / Datos 2024 Zero-Click Search Study). | SEO & GEO Optimization | SparkToro / Datos (a Semrush company) 2024 Zero-Click Search Study — 58.5% of U.S. Google searches end without any click to the open web | 2024 |
| Only about 52.5% of U.S. adults age 18+ had a comprehensive eye exam in the past 2 years — roughly half haven't (Healthy People 2030 / NHIS). | Comprehensive Exams | U.S. Department of Health and Human Services — Healthy People 2030 V-04: Increase the proportion of adults who get a comprehensive eye exam (NHIS adult eye-exam rate) | 2023 |
| Approximately 45 million Americans wear contact lenses (CDC). | Contact Lenses | CDC / National Center for Chronic Disease Prevention Healthy Contact Lens Wear and Care — Fast Facts | 2024 |
| About 1 in 4 school-aged children has a vision problem that can affect learning (American Optometric Association). | Children's Vision | American Optometric Association School-Aged Vision: 6 to 18 Years of Age (1 in 4 school-aged children) | 2024 |
| About half of the world's population is projected to be myopic by 2050 (Holden et al., Ophthalmology, 2016). | Myopia Control | Holden et al., Ophthalmology (Brien Holden Vision Institute) Global Prevalence of Myopia and High Myopia and Temporal Trends from 2000 through 2050 | 2016 |
| The U.S. optical industry total market is approximately $68.3 billion (The Vision Council, 2024). | Specialty LensesDesign Philosophy | The Vision Council U.S. Optical Industry Overview — 2024 Total Market and Outlook | 2024 |
More than 16 million U.S. adults have diagnosed dry eye disease (Farrand et al., American Journal of Ophthalmology, 2017).
Farrand et al., American Journal of Ophthalmology (2017): Prevalence of Diagnosed Dry Eye Disease in the United States Among Adults Aged 18 Years and OlderEmail marketing returns an average of $42 for every $1 spent (DMA Marketer Email Tracker / Litmus State of Email, 2019).
Litmus / DMA (2019): The ROI of Email Marketing — average $42 returned for every $1 spent on email (Litmus State of Email and DMA Marketer Email Tracker)46% of all Google searches are seeking local information (Google, via Search Engine Land summary).
Google / Search Engine Land (citing Google) (2018): Local intent — 46% of all Google searches are seeking local information53% of mobile site visits are abandoned if pages take longer than three seconds to load (Google / SOASTA Research, 2017).
Google / SOASTA Research (Think with Google) (2017): Find out how you stack up to new industry benchmarks for mobile page speed — 53% of mobile site visits are abandoned if pages take longer than 3 seconds to load78% of customers buy from the first business to respond to their inquiry (Harvard Business Review / MIT-InsideSales lead-response research).
Harvard Business Review (Oldroyd / McElheran / Elkington) (2011 / replicated 2018–2024): The Short Life of Online Sales Leads — analysis of 100,000+ web-generated leads across 2,241 companies; 78% of customers buy from the first business to respond; 23% of companies never respond at all23% of companies never respond to inbound web leads at all, replicated across multiple lead-response mystery-shopper studies.
Harvard Business Review (Oldroyd / McElheran / Elkington) (2011 / replicated 2018–2024): The Short Life of Online Sales Leads — analysis of 100,000+ web-generated leads across 2,241 companies; 78% of customers buy from the first business to respond; 23% of companies never respond at allU.S. optometry per-patient revenue typically runs $325–$375 per comprehensive exam, and with eyewear and contact-lens capture across 1–2 years of repeat visits, average per-patient LTV lands around $1,200/yr — the conservative blended benchmark used in our pricing ROI math.
Review of Optometric Business + American Optometric Association (AOA) (2024): Per-Patient Revenue Benchmarks for U.S. Optometry Practices — median revenue per exam $325–$375 with eyewear/contact-lens capture pushing per-patient LTV to ~$1,200/yr (AOA + Eyecare Business benchmarks)76% of people who do a 'near me' search on a smartphone visit a related business within 24 hours (Google / Think with Google).
Google / Think with Google (2016): How Mobile Search Connects Consumers to Stores — 76% of nearby smartphone searches visit a related business within a dayRoughly 58.5% of U.S. Google searches end without any click to the open web (SparkToro / Datos 2024 Zero-Click Search Study).
SparkToro / Datos (a Semrush company) (2024): 2024 Zero-Click Search Study — 58.5% of U.S. Google searches end without any click to the open webOnly about 52.5% of U.S. adults age 18+ had a comprehensive eye exam in the past 2 years — roughly half haven't (Healthy People 2030 / NHIS).
U.S. Department of Health and Human Services — Healthy People 2030 (2023): V-04: Increase the proportion of adults who get a comprehensive eye exam (NHIS adult eye-exam rate)Approximately 45 million Americans wear contact lenses (CDC).
CDC / National Center for Chronic Disease Prevention (2024): Healthy Contact Lens Wear and Care — Fast FactsAbout 1 in 4 school-aged children has a vision problem that can affect learning (American Optometric Association).
American Optometric Association (2024): School-Aged Vision: 6 to 18 Years of Age (1 in 4 school-aged children)About half of the world's population is projected to be myopic by 2050 (Holden et al., Ophthalmology, 2016).
Holden et al., Ophthalmology (Brien Holden Vision Institute) (2016): Global Prevalence of Myopia and High Myopia and Temporal Trends from 2000 through 2050The U.S. optical industry total market is approximately $68.3 billion (The Vision Council, 2024).
The Vision Council (2024): U.S. Optical Industry Overview — 2024 Total Market and OutlookHow we cite
We prefer primary sources (CDC / NCHS, U.S. Census Bureau, ABA, FBI UCR, Migration Policy Institute, Clio Legal Trends, Institute for Legal Reform, peer-reviewed studies) wherever they exist. First-party pricing, product details, and operational timelines are not treated as third-party research claims. When the best available source is an industry publisher or marketing-research roundup, we link to it directly so you can evaluate it. If you spot a stat on our site that isn't listed here, or a citation you think we got wrong, email sales@optodome.com and we'll fix it.