You can use the search function on this page, select "Persons with Visual Impairment" and select “Funds for Specific Groups/Special Needs Trust/Financial Assistance" to find relevant service users " Materials Assistance".

https://carers.hk/en-us/articles/service-and-resource?action=search&aduience=27&type=63&type5=883&type6=&area=&model=