Now it is self-administered eye drops (inefficient) or an injection to the eye (ouch) [1]. This thing, if it gets adopted [2] can be used by the patient themselves and at the same time will deliver the drug better.
Here is the reporting from Ars Technica: https://arstechnica.com/science/2018/11/dissolving-microneed...
[1] Intravitreal injection : https://medlineplus.gov/ency/article/007629.htm
[2] A 2015 report saying almost same thing : http://www.optometrytimes.com/modern-medicine-cases/new-tech...