Table 1

Respondent demographics, diagnosis and features of visual hallucinations

CategorySubcategoryCount (percentage)
Age range (years)30–508 (17.8)
51–709 (20)
70+27 (60)
Not given1 (2.2)
SexMale18 (40)
Female27 (60)
Principal diagnosisMacula disease19 (42.2)
Optic neuropathy4 (8.9)
Retinal dystrophy6 (13.3)
Multiple ocular diagnoses (including cataract, pseudoxanthoma elasticum, pathological myopia, microphthalmia)10 (22.2)
Other (one case each of sarcoidosis, enucleation and keratoconus)3 (6.7)
Not given3 (6.7)
Living arrangementAlone19 (42.2)
Accompanied25 (55.6)
Not given1 (2.2)
Hallucination characteristicsGeometric shapes22 (48.9)
Patterns with/without colour28 (62.2)
Flashes of light22 (48.9)
Rings or halos8 (17.8)
People or faces29 (64.4)
Animals/fauna24 (53.3)
Plants/flora20 (44.4)
Vehicles12 (26.7)
Other (including prosopometamorphopsia, palinopsia)28 (62.2)