A glance at what’s happening in the world of technology.
What links vitamin C to bleeding retinas?
Scientists have discovered an association between retinal bleeding, bleeding gums and low levels of vitamin C, according to a study published in Nutrition Reviews.
The study was conducted following the suggestion from research that the ascorbic acid (AA) intake recommended by the World Health Organization was too low to prevent microvascular fragility.
It found consistent evidence from examining 15 trials that setting human AA requirements based on scurvy prevention leads to AA plasma levels that may be too low to prevent increased gingival bleeding.
Sign in to continue
Not already a member of the College?
Start enjoying the benefits of College membership today. Take a look at what the College can offer you and view our membership categories and rates.
The College of Optometrists has today launched a public consultation on the next edition of its Guidance for Professional Practice which will be open for the next six weeks until Monday 3 August 2026.