No definitions found for 'of vital importance'
Perhaps one of these:
ophthalmology,
off the wall,
ophthalmitis,
opthalmic,
ophthalmologist,
ophthalmia neonatorum,
opodeldoc,
ophthalmia,
ovoidal,
ophthalmy,
ophthalmoscopy,
ophthalmometer,
ophthalmoplegia,
ophthalmic,
ophthalmectomy,
ovate-lanceolate,
ophthalmic region,
opitulation,
off-the-wall,
ophthalmite,
ophthalmoscopic,
ophthalmic artery,
ophthalmological,
ophthalmoscope,
obitual,
ovate leaf,
ophthalmic vein