enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Litttle-known devices restore vision to people who can't be ...

   www.aol.com/litttle-known-devices-restore-vision...

   The devices, called bioptic telescopic glasses, can help patients resume reading, recognizing faces across a room, watching TV, playing cards, in some cases even driving, Palmer said.

3. Bioptics (device) - Wikipedia

   en.wikipedia.org/wiki/Bioptics_(device)

   Bioptics, also known as a bioptic in the singular, and sometimes more formally termed a bioptic telescope, is a term for a pair of vision-enhancement lenses. They magnify between two and six times, and are used to improve distance vision for those with severely impaired eyesight, especially those with albinism .

4. Honeycomb mirror - Wikipedia

   en.wikipedia.org/wiki/Honeycomb_mirror

   The un-coated backup primary mirror for the Hubble Space Telescope showing its honeycomb structure. [1]A honeycomb mirror is a large mirror usually used as the primary mirror in astronomical reflecting telescopes whose face is supported by a ribbed structure that resembles a honeycomb. [2]

5. Great refractor - Wikipedia

   en.wikipedia.org/wiki/Great_refractor

   The telescope was placed by the astronomer James William Grant, and it had an 11-inch aperture (280mm) and a 16 feet (4.88m) focal length. [16] [17] At the 1861 International Exhibit, the size increased to showing a telescope with 21-inch objective lens. [18] The Buckingham or Walworth Common telescope's objective was manufactured by William ...

6. List of largest optical telescopes historically - Wikipedia

   en.wikipedia.org/wiki/List_of_largest_optical...

   glass mirror reflector: First large Ritchey-Chrétien: Flagstaff, Arizona, USA (Washington, D.C. until 1955) 1934 Plaskett telescope [7] 1.83 m: 72" glass mirror reflector: Designed as world's largest but beaten by the 100-inch Hooker telescope: Dominion Astrophysical Observatory, Canada, USA: 1918 Hooker Telescope: 2.54 m: 100" glass mirror ...

7. What Is Coloboma? All About Madeleine McCann’s Rare Eye Condition

   www.aol.com/coloboma-madeleine-mccann-rare-eye...

   Low vision aids like telescopic glasses or lenses that filter light An eye patch or eye drops (in young children) "If there’s a coloboma of the eyelid, you can have surgery to repair that," Dr ...