Optima - The Low Vision Experts
Optima Low Vision Services Ltd - expert advice and products



We are committed to making the information on this site available to the widest possible audience. The site is designed to work properly with assistive technologies, like screen readers, and also to allow you to customise its appearance without making it harder to use.

Increasing the font size

There are various ways to alter the font size displayed by your browser:

  • In most browsers you can press Ctrl and + or - to alter the display.
    Ctrl and 0 or * usually resets the default font size. 
  • Alternatively, pressing Alt then V usually activates the browser's 'View' menu, which normally contains options for altering the text size.
  • Additionally, if you have Javascript and CSS enabled in your browser, you can use the 'Text-size' icons at the top of our website pages to select from three text size options.
    If you have cookies enabled in your browser then your preference will be remembered for future visits to our site.


Pages on this site use valid HTML and CSS, as defined by the World Wide Web Consortium (W3C).

Any problems

If you have a problem accessing these or any other information on the site, please contact us and we will try to provide the information in an appropriate format.


Sight Village - Central

9 - 10 July 2019
9th July - 9:30am - 4:00pm / 10th July -9:30-3:00pm
Cranmore Park Conference and Events Centre
B90 4LF

Macular Society Conference London 2019

Macular Society
21 September 2019
9:30am- 4:15pm

Leonardo Royal London Hotel Tower Bridge
45 Prescot Street
E1 8GP

Click here for the full Events Calendar