# Eyewear Compared — question guides

> Compare exact sunglasses and optical frames using dated UK retailer offers, barcode identity and supplied variant checks.

This file covers /task-guides/. Use the site-wide reference at https://eyewearcompared.com/llms.txt for the broader site. Canonical website: https://eyewearcompared.com/. Documentation reviewed 2026-10-18; underlying records have their own dates. Fields to verify when supplied: barcode or reference; frame size; lens and colour variant; offer date. Use the actual published coverage and source dates; an absent match is not proof of absence. This is read-only discovery; robots rules and source licences still apply.

## Start here

- [Agent instructions](https://eyewearcompared.com/task-guides/agent-use.md): How to find a record, use native search, interpret missing data and cite an answer.
- [Data context](https://eyewearcompared.com/task-guides/data-context.md): Site-specific identity fields, coverage, dates and limitations.
- [Source guide](https://eyewearcompared.com/task-guides/sources.md): Claim-to-source links for published guidance.
- [Task guide](https://eyewearcompared.com/task-guides/index.md): Practical steps and links into existing site tools.

## Existing site tools

- [Start a search on eyewearcompared.com](https://eyewearcompared.com/): Existing public page; use its visible controls and source dates.
- [How we compare](https://eyewearcompared.com/how-it-works): Existing public page; use its visible controls and source dates.
- [Read the frame-size checklist →](https://eyewearcompared.com/guides/frame-size): Existing public page; use its visible controls and source dates.
- [Balenciaga BB0041S 001 Sunglasses](https://eyewearcompared.com/product/00889652215006): Existing public page; use its visible controls and source dates.

## Published question guides

- [What are the numbers on the bridge of my glasses?](https://eyewearcompared.com/task-guides/numbers-on-glasses-bridge-meaning/index.md): Source-linked answer; published 2026-10-18.
- [What does "temple length" mean when referring to glasses?](https://eyewearcompared.com/task-guides/what-does-temple-length-mean-glasses/index.md): Source-linked answer; published 2026-10-18.

## Optional

- [Machine-readable action index](https://eyewearcompared.com/task-guides/agent.json): Observed GET form, fixed navigation, document index and coverage metadata.
- [Expanded reference](https://eyewearcompared.com/task-guides/llms-full.txt): Read when the individual documents are insufficient; includes published article text.
- [Guide sitemap](https://eyewearcompared.com/task-guides/sitemap.xml): Indexable human-readable guide URLs only.