Glass market studies
2022-2027 Global and Regional Varifocal Eyeglass Lenses Industry Status and Prospects Professional Market Research Report Standard Version
Summary
The global Varifocal Eyeglass Lenses market is expected to reach US$ XX Million by 2027, with a CAGR of XX% from 2022 to 2027, based on researcher newly published report.
The prime objective of this report is to provide the insights on the post COVID-19 impact which will help market players in this field evaluate their business approaches. Also, this report covers market segmentation by major market verdors, types, applications/end users and geography(North America, East Asia, Europe, South Asia, Southeast Asia, Middle East, Africa, Oceania, South America).
By Market Vendors:
Essilor
Conant
Rodenstock
ZEISS
VISION-EASE Lenses
HOYA
SEIKO
SHAMIR
Nikon
Wanxin
Specsavers
PixelOptics
Youbeoptical
Mitsui Chemical
Adlens
Freely-Varifocal Lenses
Multifocal Lenses
Hospital
Optical Shop
Others
Key Indicators Analysed
Market Players & Competitor Analysis: The report covers the key players of the industry including Company Profile, Product Specifications, Production Capacity/Sales, Revenue, Price and Gross Margin 2016-2027 & Sales with a thorough analysis of the market’s competitive landscape and detailed information on vendors and comprehensive details of factors that will challenge the growth of major market vendors.
Global and Regional Market Analysis: The report includes Global & Regional market status and outlook 2016-2027. Further the report provides break down details about each region & countries covered in the report. Identifying its sales, sales volume & revenue forecast. With detailed analysis by types and applications.
Market Trends: Market key trends which include Increased Competition and Continuous Innovations.
Opportunities and Drivers: Identifying the Growing Demands and New Technology
Porters Five Force Analysis: The report provides with the state of competition in industry depending on five basic forces: threat of new entrants, bargaining power of suppliers, bargaining power of buyers, threat of substitute products or services, and existing industry rivalry.
To gain insightful analyses of the market and have comprehensive understanding of the global market and its commercial landscape.
Assess the production processes, major issues, and solutions to mitigate the development risk.
To understand the most affecting driving and restraining forces in the market and its impact in the global market.
Learn about the market strategies that are being adopted by leading respective organizations.
To understand the future outlook and prospects for the market.
Besides the standard structure reports, we also provide custom research according to specific requirements.
The prime objective of this report is to provide the insights on the post COVID-19 impact which will help market players in this field evaluate their business approaches. Also, this report covers market segmentation by major market verdors, types, applications/end users and geography(North America, East Asia, Europe, South Asia, Southeast Asia, Middle East, Africa, Oceania, South America).
By Market Vendors:
Essilor
Conant
Rodenstock
ZEISS
VISION-EASE Lenses
HOYA
SEIKO
SHAMIR
Nikon
Wanxin
Specsavers
PixelOptics
Youbeoptical
Mitsui Chemical
Adlens
By Type
Freely-Varifocal Lenses
Multifocal Lenses
By Application
Hospital
Optical Shop
Others
Key Indicators Analysed
Market Players & Competitor Analysis: The report covers the key players of the industry including Company Profile, Product Specifications, Production Capacity/Sales, Revenue, Price and Gross Margin 2016-2027 & Sales with a thorough analysis of the market’s competitive landscape and detailed information on vendors and comprehensive details of factors that will challenge the growth of major market vendors.
Global and Regional Market Analysis: The report includes Global & Regional market status and outlook 2016-2027. Further the report provides break down details about each region & countries covered in the report. Identifying its sales, sales volume & revenue forecast. With detailed analysis by types and applications.
Market Trends: Market key trends which include Increased Competition and Continuous Innovations.
Opportunities and Drivers: Identifying the Growing Demands and New Technology
Porters Five Force Analysis: The report provides with the state of competition in industry depending on five basic forces: threat of new entrants, bargaining power of suppliers, bargaining power of buyers, threat of substitute products or services, and existing industry rivalry.
Key Reasons to Purchase
To gain insightful analyses of the market and have comprehensive understanding of the global market and its commercial landscape.
Assess the production processes, major issues, and solutions to mitigate the development risk.
To understand the most affecting driving and restraining forces in the market and its impact in the global market.
Learn about the market strategies that are being adopted by leading respective organizations.
To understand the future outlook and prospects for the market.
Besides the standard structure reports, we also provide custom research according to specific requirements.
Detailed TOC of 2022-2027 Global and Regional Varifocal Eyeglass Lenses Industry Status and Prospects Professional Market Research Report Standard Version
Chapter 1 Industry Overview1.1 Definition
1.2 Assumptions
1.3 Research Scope
1.4 Market Analysis by Regions
1.4.1 North America Market States and Outlook (2022-2027)
1.4.2 East Asia Market States and Outlook (2022-2027)
1.4.3 Europe Market States and Outlook (2022-2027)
1.4.4 South Asia Market States and Outlook (2022-2027)
1.4.5 Southeast Asia Market States and Outlook (2022-2027)
1.4.6 Middle East Market States and Outlook (2022-2027)
1.4.7 Africa Market States and Outlook (2022-2027)
1.4.8 Oceania Market States and Outlook (2022-2027)
1.4.9 South America Market States and Outlook (2022-2027)
1.5 Global Varifocal Eyeglass Lenses Market Size Analysis from 2022 to 2027
1.5.1 Global Varifocal Eyeglass Lenses Market Size Analysis from 2022 to 2027 by Consumption Volume
1.5.2 Global Varifocal Eyeglass Lenses Market Size Analysis from 2022 to 2027 by Value
1.5.3 Global Varifocal Eyeglass Lenses Price Trends Analysis from 2022 to 2027
1.6 COVID-19 Outbreak: Varifocal Eyeglass Lenses Industry Impact
Chapter 2 Global Varifocal Eyeglass Lenses Competition by Types, Applications, and Top Regions and Countries
2.1 Global Varifocal Eyeglass Lenses (Volume and Value) by Type
2.1.1 Global Varifocal Eyeglass Lenses Consumption and Market Share by Type (2016-2021)
2.1.2 Global Varifocal Eyeglass Lenses Revenue and Market Share by Type (2016-2021)
2.2 Global Varifocal Eyeglass Lenses (Volume and Value) by Application
2.2.1 Global Varifocal Eyeglass Lenses Consumption and Market Share by Application (2016-2021)
2.2.2 Global Varifocal Eyeglass Lenses Revenue and Market Share by Application (2016-2021)
2.3 Global Varifocal Eyeglass Lenses (Volume and Value) by Regions
2.3.1 Global Varifocal Eyeglass Lenses Consumption and Market Share by Regions (2016-2021)
2.3.2 Global Varifocal Eyeglass Lenses Revenue and Market Share by Regions (2016-2021)
Chapter 3 Production Market Analysis
3.1 Global Production Market Analysis
3.1.1 2016-2021 Global Capacity, Production, Capacity Utilization Rate, Ex-Factory Price, Revenue, Cost, Gross and Gross Margin Analysis
3.1.2 2016-2021 Major Manufacturers Performance and Market Share
3.2 Regional Production Market Analysis
3.2.1 2016-2021 Regional Market Performance and Market Share
3.2.2 North America Market
3.2.3 East Asia Market
3.2.4 Europe Market
3.2.5 South Asia Market
3.2.6 Southeast Asia Market
3.2.7 Middle East Market
3.2.8 Africa Market
3.2.9 Oceania Market
3.2.10 South America Market
3.2.11 Rest of the World Market
Chapter 4 Global Varifocal Eyeglass Lenses Sales, Consumption, Export, Import by Regions (2016-2021)
4.1 Global Varifocal Eyeglass Lenses Consumption by Regions (2016-2021)
4.2 North America Varifocal Eyeglass Lenses Sales, Consumption, Export, Import (2016-2021)
4.3 East Asia Varifocal Eyeglass Lenses Sales, Consumption, Export, Import (2016-2021)
4.4 Europe Varifocal Eyeglass Lenses Sales, Consumption, Export, Import (2016-2021)
4.5 South Asia Varifocal Eyeglass Lenses Sales, Consumption, Export, Import (2016-2021)
4.6 Southeast Asia Varifocal Eyeglass Lenses Sales, Consumption, Export, Import (2016-2021)
4.7 Middle East Varifocal Eyeglass Lenses Sales, Consumption, Export, Import (2016-2021)
4.8 Africa Varifocal Eyeglass Lenses Sales, Consumption, Export, Import (2016-2021)
4.9 Oceania Varifocal Eyeglass Lenses Sales, Consumption, Export, Import (2016-2021)
4.10 South America Varifocal Eyeglass Lenses Sales, Consumption, Export, Import (2016-2021)
Chapter 5 North America Varifocal Eyeglass Lenses Market Analysis
5.1 North America Varifocal Eyeglass Lenses Consumption and Value Analysis
5.1.1 North America Varifocal Eyeglass Lenses Market Under COVID-19
5.2 North America Varifocal Eyeglass Lenses Consumption Volume by Types
5.3 North America Varifocal Eyeglass Lenses Consumption Structure by Application
5.4 North America Varifocal Eyeglass Lenses Consumption by Top Countries
5.4.1 United States Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
5.4.2 Canada Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
5.4.3 Mexico Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
Chapter 6 East Asia Varifocal Eyeglass Lenses Market Analysis
6.1 East Asia Varifocal Eyeglass Lenses Consumption and Value Analysis
6.1.1 East Asia Varifocal Eyeglass Lenses Market Under COVID-19
6.2 East Asia Varifocal Eyeglass Lenses Consumption Volume by Types
6.3 East Asia Varifocal Eyeglass Lenses Consumption Structure by Application
6.4 East Asia Varifocal Eyeglass Lenses Consumption by Top Countries
6.4.1 China Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
6.4.2 Japan Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
6.4.3 South Korea Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
Chapter 7 Europe Varifocal Eyeglass Lenses Market Analysis
7.1 Europe Varifocal Eyeglass Lenses Consumption and Value Analysis
7.1.1 Europe Varifocal Eyeglass Lenses Market Under COVID-19
7.2 Europe Varifocal Eyeglass Lenses Consumption Volume by Types
7.3 Europe Varifocal Eyeglass Lenses Consumption Structure by Application
7.4 Europe Varifocal Eyeglass Lenses Consumption by Top Countries
7.4.1 Germany Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
7.4.2 UK Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
7.4.3 France Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
7.4.4 Italy Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
7.4.5 Russia Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
7.4.6 Spain Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
7.4.7 Netherlands Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
7.4.8 Switzerland Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
7.4.9 Poland Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
Chapter 8 South Asia Varifocal Eyeglass Lenses Market Analysis
8.1 South Asia Varifocal Eyeglass Lenses Consumption and Value Analysis
8.1.1 South Asia Varifocal Eyeglass Lenses Market Under COVID-19
8.2 South Asia Varifocal Eyeglass Lenses Consumption Volume by Types
8.3 South Asia Varifocal Eyeglass Lenses Consumption Structure by Application
8.4 South Asia Varifocal Eyeglass Lenses Consumption by Top Countries
8.4.1 India Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
8.4.2 Pakistan Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
8.4.3 Bangladesh Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
Chapter 9 Southeast Asia Varifocal Eyeglass Lenses Market Analysis
9.1 Southeast Asia Varifocal Eyeglass Lenses Consumption and Value Analysis
9.1.1 Southeast Asia Varifocal Eyeglass Lenses Market Under COVID-19
9.2 Southeast Asia Varifocal Eyeglass Lenses Consumption Volume by Types
9.3 Southeast Asia Varifocal Eyeglass Lenses Consumption Structure by Application
9.4 Southeast Asia Varifocal Eyeglass Lenses Consumption by Top Countries
9.4.1 Indonesia Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
9.4.2 Thailand Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
9.4.3 Singapore Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
9.4.4 Malaysia Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
9.4.5 Philippines Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
9.4.6 Vietnam Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
9.4.7 Myanmar Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
Chapter 10 Middle East Varifocal Eyeglass Lenses Market Analysis
10.1 Middle East Varifocal Eyeglass Lenses Consumption and Value Analysis
10.1.1 Middle East Varifocal Eyeglass Lenses Market Under COVID-19
10.2 Middle East Varifocal Eyeglass Lenses Consumption Volume by Types
10.3 Middle East Varifocal Eyeglass Lenses Consumption Structure by Application
10.4 Middle East Varifocal Eyeglass Lenses Consumption by Top Countries
10.4.1 Turkey Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
10.4.2 Saudi Arabia Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
10.4.3 Iran Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
10.4.4 United Arab Emirates Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
10.4.5 Israel Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
10.4.6 Iraq Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
10.4.7 Qatar Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
10.4.8 Kuwait Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
10.4.9 Oman Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
Chapter 11 Africa Varifocal Eyeglass Lenses Market Analysis
11.1 Africa Varifocal Eyeglass Lenses Consumption and Value Analysis
11.1.1 Africa Varifocal Eyeglass Lenses Market Under COVID-19
11.2 Africa Varifocal Eyeglass Lenses Consumption Volume by Types
11.3 Africa Varifocal Eyeglass Lenses Consumption Structure by Application
11.4 Africa Varifocal Eyeglass Lenses Consumption by Top Countries
11.4.1 Nigeria Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
11.4.2 South Africa Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
11.4.3 Egypt Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
11.4.4 Algeria Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
11.4.5 Morocco Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
Chapter 12 Oceania Varifocal Eyeglass Lenses Market Analysis
12.1 Oceania Varifocal Eyeglass Lenses Consumption and Value Analysis
12.2 Oceania Varifocal Eyeglass Lenses Consumption Volume by Types
12.3 Oceania Varifocal Eyeglass Lenses Consumption Structure by Application
12.4 Oceania Varifocal Eyeglass Lenses Consumption by Top Countries
12.4.1 Australia Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
12.4.2 New Zealand Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
Chapter 13 South America Varifocal Eyeglass Lenses Market Analysis
13.1 South America Varifocal Eyeglass Lenses Consumption and Value Analysis
13.1.1 South America Varifocal Eyeglass Lenses Market Under COVID-19
13.2 South America Varifocal Eyeglass Lenses Consumption Volume by Types
13.3 South America Varifocal Eyeglass Lenses Consumption Structure by Application
13.4 South America Varifocal Eyeglass Lenses Consumption Volume by Major Countries
13.4.1 Brazil Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
13.4.2 Argentina Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
13.4.3 Columbia Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
13.4.4 Chile Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
13.4.5 Venezuela Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
13.4.6 Peru Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
13.4.7 Puerto Rico Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
13.4.8 Ecuador Varifocal Eyeglass Lenses Consumption Volume from 2016 to 2021
Chapter 14 Company Profiles and Key Figures in Varifocal Eyeglass Lenses Business
14.1 Essilor
14.1.1 Essilor Company Profile
14.1.2 Essilor Varifocal Eyeglass Lenses Product Specification
14.1.3 Essilor Varifocal Eyeglass Lenses Production Capacity, Revenue, Price and Gross Margin (2016-2021)
14.2 Conant
14.2.1 Conant Company Profile
14.2.2 Conant Varifocal Eyeglass Lenses Product Specification
14.2.3 Conant Varifocal Eyeglass Lenses Production Capacity, Revenue, Price and Gross Margin (2016-2021)
14.3 Rodenstock
14.3.1 Rodenstock Company Profile
14.3.2 Rodenstock Varifocal Eyeglass Lenses Product Specification
14.3.3 Rodenstock Varifocal Eyeglass Lenses Production Capacity, Revenue, Price and Gross Margin (2016-2021)
14.4 ZEISS
14.4.1 ZEISS Company Profile
14.4.2 ZEISS Varifocal Eyeglass Lenses Product Specification
14.4.3 ZEISS Varifocal Eyeglass Lenses Production Capacity, Revenue, Price and Gross Margin (2016-2021)
14.5 VISION-EASE Lenses
14.5.1 VISION-EASE Lenses Company Profile
14.5.2 VISION-EASE Lenses Varifocal Eyeglass Lenses Product Specification
14.5.3 VISION-EASE Lenses Varifocal Eyeglass Lenses Production Capacity, Revenue, Price and Gross Margin (2016-2021)
14.6 HOYA
14.6.1 HOYA Company Profile
14.6.2 HOYA Varifocal Eyeglass Lenses Product Specification
14.6.3 HOYA Varifocal Eyeglass Lenses Production Capacity, Revenue, Price and Gross Margin (2016-2021)
14.7 SEIKO
14.7.1 SEIKO Company Profile
14.7.2 SEIKO Varifocal Eyeglass Lenses Product Specification
14.7.3 SEIKO Varifocal Eyeglass Lenses Production Capacity, Revenue, Price and Gross Margin (2016-2021)
14.8 SHAMIR
14.8.1 SHAMIR Company Profile
14.8.2 SHAMIR Varifocal Eyeglass Lenses Product Specification
14.8.3 SHAMIR Varifocal Eyeglass Lenses Production Capacity, Revenue, Price and Gross Margin (2016-2021)
14.9 Nikon
14.9.1 Nikon Company Profile
14.9.2 Nikon Varifocal Eyeglass Lenses Product Specification
14.9.3 Nikon Varifocal Eyeglass Lenses Production Capacity, Revenue, Price and Gross Margin (2016-2021)
14.10 Wanxin
14.10.1 Wanxin Company Profile
14.10.2 Wanxin Varifocal Eyeglass Lenses Product Specification
14.10.3 Wanxin Varifocal Eyeglass Lenses Production Capacity, Revenue, Price and Gross Margin (2016-2021)
14.11 Specsavers
14.11.1 Specsavers Company Profile
14.11.2 Specsavers Varifocal Eyeglass Lenses Product Specification
14.11.3 Specsavers Varifocal Eyeglass Lenses Production Capacity, Revenue, Price and Gross Margin (2016-2021)
14.12 PixelOptics
14.12.1 PixelOptics Company Profile
14.12.2 PixelOptics Varifocal Eyeglass Lenses Product Specification
14.12.3 PixelOptics Varifocal Eyeglass Lenses Production Capacity, Revenue, Price and Gross Margin (2016-2021)
14.13 Youbeoptical
14.13.1 Youbeoptical Company Profile
14.13.2 Youbeoptical Varifocal Eyeglass Lenses Product Specification
14.13.3 Youbeoptical Varifocal Eyeglass Lenses Production Capacity, Revenue, Price and Gross Margin (2016-2021)
14.14 Mitsui Chemical
14.14.1 Mitsui Chemical Company Profile
14.14.2 Mitsui Chemical Varifocal Eyeglass Lenses Product Specification
14.14.3 Mitsui Chemical Varifocal Eyeglass Lenses Production Capacity, Revenue, Price and Gross Margin (2016-2021)
14.15 Adlens
14.15.1 Adlens Company Profile
14.15.2 Adlens Varifocal Eyeglass Lenses Product Specification
14.15.3 Adlens Varifocal Eyeglass Lenses Production Capacity, Revenue, Price and Gross Margin (2016-2021)
Chapter 15 Global Varifocal Eyeglass Lenses Market Forecast (2022-2027)
15.1 Global Varifocal Eyeglass Lenses Consumption Volume, Revenue and Price Forecast (2022-2027)
15.1.1 Global Varifocal Eyeglass Lenses Consumption Volume and Growth Rate Forecast (2022-2027)
15.1.2 Global Varifocal Eyeglass Lenses Value and Growth Rate Forecast (2022-2027)
15.2 Global Varifocal Eyeglass Lenses Consumption Volume, Value and Growth Rate Forecast by Region (2022-2027)
15.2.1 Global Varifocal Eyeglass Lenses Consumption Volume and Growth Rate Forecast by Regions (2022-2027)
15.2.2 Global Varifocal Eyeglass Lenses Value and Growth Rate Forecast by Regions (2022-2027)
15.2.3 North America Varifocal Eyeglass Lenses Consumption Volume, Revenue and Growth Rate Forecast (2022-2027)
15.2.4 East Asia Varifocal Eyeglass Lenses Consumption Volume, Revenue and Growth Rate Forecast (2022-2027)
15.2.5 Europe Varifocal Eyeglass Lenses Consumption Volume, Revenue and Growth Rate Forecast (2022-2027)
15.2.6 South Asia Varifocal Eyeglass Lenses Consumption Volume, Revenue and Growth Rate Forecast (2022-2027)
15.2.7 Southeast Asia Varifocal Eyeglass Lenses Consumption Volume, Revenue and Growth Rate Forecast (2022-2027)
15.2.8 Middle East Varifocal Eyeglass Lenses Consumption Volume, Revenue and Growth Rate Forecast (2022-2027)
15.2.9 Africa Varifocal Eyeglass Lenses Consumption Volume, Revenue and Growth Rate Forecast (2022-2027)
15.2.10 Oceania Varifocal Eyeglass Lenses Consumption Volume, Revenue and Growth Rate Forecast (2022-2027)
15.2.11 South America Varifocal Eyeglass Lenses Consumption Volume, Revenue and Growth Rate Forecast (2022-2027)
15.3 Global Varifocal Eyeglass Lenses Consumption Volume, Revenue and Price Forecast by Type (2022-2027)
15.3.1 Global Varifocal Eyeglass Lenses Consumption Forecast by Type (2022-2027)
15.3.2 Global Varifocal Eyeglass Lenses Revenue Forecast by Type (2022-2027)
15.3.3 Global Varifocal Eyeglass Lenses Price Forecast by Type (2022-2027)
15.4 Global Varifocal Eyeglass Lenses Consumption Volume Forecast by Application (2022-2027)
15.5 Varifocal Eyeglass Lenses Market Forecast Under COVID-19
Chapter 16 Conclusions
Research Methodology