varifocal
During this procedure, the eye’s natural lens is removed and is replaced with a monofocal or multifocal artificial lens.
New multi-focal IOLs enable patients to see at all distances, not just one.

SMART Vocabulary: related words and phrases

Eyesight, glasses & lenses
accommodative
afterimage
age-related macular degeneration
amaurosis
amblyopia
dispensing optician
eyeglasses
glaucoma
lenticular
limbus
long-sighted
long-sightedness
macula
macula lutea
ocular
oculist
ophthalmology
wet macular degeneration
wraparounds
yellow spot

multifocaladjective (DISEASE)

medical specialized
(of a disease) existing in more than one place in the body or part of the body : 多病灶的
It was originally thought it was a multifocal cancer, each developing individually.起初人们认为这是一种多灶性癌症，每一处都在单独发展。
Someone with multifocal breast cancer has more than one invasive tumour in one area of their breast.
Diffuse or multifocal damage affects many areas of the brain.
Patients at greater risk of new tumourdevelopment are those with multifocal disease.

SMART Vocabulary: related words and phrases

Disease & illness - general words
advanced
aggressiveness
autoimmune disease
bilharzia
bilharziasis
complication
fulminating
gestational
hyperendemic
hypochondriac
iatrogenic
industrial disease
life-threatening
second degree
secretory
seizure
serial interval
snail fever
subvariant
untreated

Examples of multifocal

multifocal
First and second order changes in the multifocal electroretinogram of patients with different forms of age related macular degeneration.
Their system of government is fully democratic, and this is reflected in the multifocal and multithematic dynamic of their indigenous theatre.
However, severe infection in the liver was found 60 days after infection, manifested as hepatosplenomegaly and multifocal miliary necroses and granulomas containing parasites.
An asymmetrical frontoparietal defect is seen in corticobasal degeneration, whereas multifocal lesions are demonstrated in subacute spongiform encephalopathy.
However, the multifocal disease is only a relative contraindication, that is it could be applied in well-selected patients.
In cortico-subcortical and multifocal encephalopathies physical symptoms and signs emerge along with the psychological disturbance.
A first comparison of the human multifocal visual evoked magnetic field and visual evoked potential.
In this study, we compare responses to contrast reversal multifocal stimuli with those obtained to two mean rates of pattern pulse presentation.
Recording multifocal electroretinogram on and off responses in humans.
The subset came from 11 subjects, providing 352 multifocal responses.
Spatially sparse pattern-pulse stimulation enhances multifocal visual evoked potential analysis.
We have referred to this model as the multifocal model of impulse generation and applied it to the analysis done in this study.
Multifocal and full-field electroretinogram changes associated with color-vision loss in mercury vapor exposure.
Multifocal electroretinogram delays reveal local retinal dysfunction in early diabetic retinopathy.
Compared to frequencies of tissue lesions in the digestive gland, those recorded in the kidney were more surprising, as most snails showed multifocal epithelial necrosis.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.