2.1. Lens replacement frequency in the USA, the biggest market for all contact lenses, in 2014
3.1. Prototype lens developed by google and Novartis, incorporating a sensor and a chip and antenna used to receive power and transmit data
3.2. The prototype lens developed at KIST, featuring sensors, microfluidic channels and on-board power supply
3.3. The Vibe device from DexCom and Animas, (a division of Johnson & Johnson) for continuous glucose monitoring (CGM). Dexcom CGM sensor technology is approved for up to seven days of continuous wear with one of the smallest introduce
3.4. Medella Health's first prototypes of what is to become a continuous glucose monitoring system is featured on the company's website
3.5. The soft contact lens-like sensor, with its MEMS antenna (golden rings), its MEMS sensor (ring close to the outer edge), and microprocessor
3.6. Sensor placed on the eye, centered on the cornea with no elements in the line of sight
3.7. An illustration that shows the various components of the Triggerfish¢ç solution by Sensimed placed on the body. [1] Contact lens with sensor [2] adhesive antenna [3] cable [4] portable recorder
3.9. Similar simple smart lenses demonstrated at Auburn University in 2011
3.10. A snapshot from Google's patent application for a micro camera component to compliment smart contact lenses
3.11. Schematic from the Google patent application on a multi-sensor contact lens
4.1. Lens concept: University of Washington
5.1. Google Glass
5.2. Infographic of how the Google Glass display works
5.3. The Vuzix M100 primary components
5.4. Mounting options for the M100
5.5. The Epson Moverio BT- 200 smartglasses.
5.6. The Epson Moverio Pro BT-200
5.7. Recon Jet main components
5.8. Recon Jet display
5.9. The ORA 1 main features
5.10. The two configurations for ORA-1's display, in "AR" and "glance" modes.
5.11. The ORA - X announced by Optinvent, a hybrid between smartglasses and smart headphones
5.12. Meta 1 and Meta Pro
5.13. ODG R-7 features
5.14. The Microsoft Hololens
5.15. Promotional images for the Hololens, indicating the potential of the device
5.16. With Skype video chatting, HoloLens users can let others see through their eyes to help with tasks and even doodle right on top of your line of vision
5.17. The SONY SmartEyeGlass
5.18. Schematic of the main components necessary for the GiveVision software
5.19. Quick comparison of 6 smartglasses
6.1. The Google Cardboard
6.2. The Oculus Rift latest iteration, as expected to look when it hits the market in 2016
6.3. Project Morpheus prototype
6.4. The Samsung Gear VR- Innovator edition, powered by Oculus, which was available for sale for developers and early adopters for $200 throughout most of 2015.
6.5. The Samsung Gear VR, available for sale at $100. Details of the padding (for comfort when worn) and the user interface (touchpad)
6.6. The Zeiss VCR One available for $120
6.7. The Avegant Glyph headset available for pre-order at $499
6.8. The MergeVR headset
6.9. The HTC Vive.
7.1. Basic structure of an LCoS microdisplay
7.2. Optical principle of an LCoS microdisplay
7.3. Generating colour with a FLCoS microdisplay
7.4. The 8-bit red subfield and the complete 24-bit full color TDI rendered frame
7.5. Color filter LCoS and diagram of image generation in a front-lit LCoS (FL LCoS) microdisplay: in this case, the light source, light guide are integrated into the LCoS microdisplay
7.6. Schematic representation of a 3-panel LCoS configuration
7.7. Structure of an OLED on silicon microdisplay
7.8. Schematic of light emission and the generation of a collimated beam in a sapphire LED wafer.
8.1. Prototype incorporating eMagin's 4MPixel square OLED on silicon microdisplays displays, demonstrated in June 2015 at AWE15
8.2. SONY 0.61in OLED microdisplay 0 with a 1280X1024 resolution
8.3. OLED microdisplay from MICROOLED
8.4. Color filter, front-lit microdisplay from Himax Display
8.5. A HOLOEYE 0.55in diagonal WXGA (1280 x 768Pixel) CFS LCOS Microdisplay
8.6. Cumulative shipments of Epson's HTPS panels 1992-2014
8.7. Kopin demonstrated a prototype of its Solos smartglasses at CES 2016, with a built-in 4-mm module Pupil, hidden behind the rim and practically invisible from the outside.
8.8. mLED LED microdisplay
8.9. Lumiode microdisplays
8.10. Each pixel of the quantum-photonic-imager device consists of a vertical stack of multiple LED layers
8.11. MicroLED array with a 10¥ìm pitch
8.12. Microdisplay technologies: spider diagram of comparison of key metrics
8.13. Microdisplay technologies: table of comparison of key metrics
9.1. a. Non-pupil forming (or magnifier lens) optical design. b. Pupil forming (or relay lens) optical design
9.2. Cube and half-silvered mirror designs for beam splitters, incident light arrives at a 45¡Æ angle and part of it is transmitted while part of it is reflected
9.3. Schematic of Laster's EnhancedView¢â technology
9.4. Schematic of a freeform TIR combiner structure. The corrector allows for the system's see-through functionality.
9.5. Schematic representation of the diffractive wavequide technique invented by Nokia and licensed to Vuzix (left) and an early Nokia prototype based on this principle (right).