The in the centre of vision. (,

April 21, 2019 Health

The macula is the part of the eye that provides clear, central vision needed to see objects straight ahead, (RNIB – See differently, 2018).
Cone cells are found in the Macula, which allow us to detect colour, (RNIB – See differently, 2018).
AMD is a degenerative disease in which part of the macula becomes damaged, (RNIB – See differently, 2018).

Dry AMD:
Most common type.
Slow development.
May lead to a blank spot in the centre of vision.
(, 2018)
Wet AMD:
Fast development.
Grave changes to central vision which may development in a matter of days or weeks.
May lead to blank spot in the centre of vision.
(, 2018
Medication used to treat PCOS and Diabetes.
Improves the body’s response to insulin.
With respect to PCOS, it stimulates ovulation by lowering sugar and insulin levels.
(American Academy of Ophthalmology, 2018).
Research scientists in Taiwan had discovered that people with type 2 diabetes who took metformin had significantly lower AMD.
The data was collected from the Taiwan National health insurance database.
The participants were divided into two groups; a control group, (22681 patients) and a group which took metformin, (45524 patients).
(American Academy of Ophthalmology, 2018).
After studying each group for 13 years it was observed that the patients who took metformin had a significantly lower risk of developing AMD.
While the study did demonstrate a correlation between the use of metformin and the risk of developing AMD, it did not demonstrate how metformin reduced the risk of developing AMD.
(American Academy of Ophthalmology, 2018).
AMD is a complex disease which has still not been fully understood.
It’s development involves lifestyle factor, systemic diseases, genetics and environment and therefore a single cause has not been isolated yet.
As a result, more study is needed in order to confirm whether metformin actually reduces the risk of developing AMD.

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