Analysis Summary:

The article appears to be mostly accurate based on the limited information provided. The core claim about startups and researchers working on adjustable focus lenses is supported by the existence of such products and research. There is no apparent bias in the snippet.

Detailed Analysis:

• Claim:** Start-up firms and researchers are working on lenses that can change their focus.
  • Verification Source #1: Supports the existence of adjustable focus glasses.
  • Verification Source #5: Supports the existence of auto-focus augmented reality eyeglasses using tunable lenses.
  • Verification Source #2: Mentions improved autofocus in cameras, indicating research and development in related technologies.
  • Verification Source #3: Mentions sharp video in security cameras, indicating research and development in related technologies.
  • Verification Source #4: Mentions edge-to-edge autofocus in mirrorless cameras, indicating research and development in related technologies.

Supporting Evidence/Contradictions:

• Verification Source #1: "Generic Adjustable Focus Glasses Near And Far Sight" indicates the existence of commercially available adjustable focus glasses.
• Verification Source #5: "FocusAR: Auto-focus Augmented Reality Eyeglasses for both Real" confirms research into autofocus lenses for augmented reality.
• Verification Source #2: "The R5 promised some improved specs, 45 megapixels, 8K video, blazing autofocus" confirms research and development in autofocus technology.
• Verification Source #3: "The market is packed with shiny boxes that promise sharp video and smart" confirms research and development in sharp video technology.
• Verification Source #4: "Edge-to-edge autofocus and IBIS on top of the built-in lens IS. That allows for some amazing sharp handheld shots at quite the distance." confirms research and development in autofocus technology.