[Magdalen] Specs advice?

[Grace Cangialosi]

And I just applied for a passport and had to have my picture taken without my glasses.

> On May 27, 2018, at 4:29 AM, Roger Stokes via Magdalen <magdalen at herberthouse.org> wrote:
> 
>> On 27/05/2018 03:35, Ann Markle wrote:
>> You do need a measurement of pupillary
>> distance, which was available from the last time I purchased glasses from
>> an optometrist/optician practice. That measurement doesn’t change much,
>> even with significant weight loss or gain.
> 
> That constancy is one of the reasons it is used in face recognition such as at border control. The apparent distance can vary as a result of spectacle lenses refracting the light which is why it's "no glasses" when doing that check.
> 
> Roger