Which of the following are considered major risk factors for hydroxychloroquine ocular toxicity?

A) Age over 60 years
B) High cumulative dose of hydroxychloroquine
C) Prolonged duration of hydroxychloroquine use
D) Renal impairment
E) Concurrent use of tamoxifen
F) Pre-existing retinal disease
G) Family history of ocular toxicity
H) Use of hydroxychloroquine for less than 6 months

Select the correct options:

a) A, D, F
b) B, C, E
c) C, G, H
d) B, E, F