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Topics referred to by the same term
Multifocal lens may refer to: Progressive lens, used in eyeglasses Multifocal intraocular lens Multifocal diffractive lens, a diffractive optical element
Multifocal_lens
Implanted lens in the eye allowing reasonable focus for a range of distances
Multifocal and accommodating intraocular lenses are artificial intraocular lenses (IOLs) that are designed to provide focus of both distance and near
Multifocal_intraocular_lens
Lenses placed on the eye's surface
challenge in the fitting of contact lenses. Two main strategies exist: multifocal lenses and monovision. Multifocal contact lenses (e.g. bifocals or progressives)
Contact_lens
Lens implanted in the eye to treat cataracts and/or myopia or hyperopia
are fixed monofocal lenses matched to distance vision. However, other types are available, such as a multifocal intraocular lens that provides multiple-focused
Intraocular_lens
Corrective lens used in eyeglasses
also known as multifocal lenses, progressive addition lenses (PAL), varifocal lenses, progressive power lenses, graduated prescription lenses, or progressive
Progressive_lens
A multifocal diffractive lens is a diffractive optical element (DOE) that allows a single incident beam to be focused simultaneously at several positions
Multifocal_diffractive_lens
Type of lens to improve visual perception
lenses because they have multiple focal points. Multifocal contact lenses are typically designed for constant viewing through the center of the lens,
Corrective_lens
Worsening ability of the eyes to focus with age
contact lenses, multifocal intraocular lenses, or LASIK (PresbyLASIK) surgery. The most common treatment is glass correction using appropriate convex lens. Glasses
Presbyopia
Eyeglasses with two distinct optical powers
PMID 19901225. "Bifocal lens and method for making the same". "Prescribing Multifocal Lenses". 10 July 2016. "Bifocal lens". "Method and means for surfacing
Bifocals
Corrective eye surgery
near vision is to place multifocal IOLs or accommodating IOLs in both eyes. The intraocular lens power calculations for clear lens extraction is similar
Clear_lens_extraction
Problem with focusing light accurately on the retina due to the shape of the eye
prescription lenses They can correct only one form of defective vision, either far-sightedness or near-sightedness.[citation needed] Multifocal lenses The multifocal
Refractive_error
Species of cephalopod also known as the sparkling enope squid
and use multifocal lenses to refract the wavelengths to activate the specific photoreceptor cells. Firefly squid do not have multifocal lenses, but use
Firefly_squid
Soft contact lenses are one of several types of contact lenses for corrective vision eyewear as prescribed by optometrists and ophthalmologists. In the
List of soft contact lens materials
List_of_soft_contact_lens_materials
Development of the procedure for removing an opacified lens from the eye
correcting astigmatism. IOLs can be classified as monofocal, toric, and multifocal lenses. Ocular anaesthesia has improved since Alfred Einhorn synthesised
History_of_cataract_surgery
American medical device company
monthly disposable contact lenses, and other spherical, toric and multifocal lenses for astigmatism, nearsightedness and farsightedness, and presbyopia
The_Cooper_Companies
Israeli optical lens company
which has been listed on the American stock exchange that develops multifocal lenses. In 2008, Shamir strengthened its position in Europe by making the
Shamir_Optical_Industry
Multifocal plane microscopy (MUM), also known as multiplane microscopy or multifocus microscopy, is a form of light microscopy that allows the tracking
Multifocal_plane_microscopy
Surgical treatment for eyes lacking functional lens capsules
focal point. Multifocal intraocular lenses are designed to avoid the need for glasses by providing two or more points of focus. Multifocal glued IOL procedures
Glued_intraocular_lens
Multifocal intraocular lenses ISO 11979-10:2006 Part 10: Phakic intraocular lenses ISO 11980:2012 Ophthalmic optics – Contact lenses and contact lens
List of ISO standards 10000–11999
List_of_ISO_standards_10000–11999
Removal of opacified lens from the eye
contact lenses while reading or using a computer. These lenses usually have uniform spherical curvature. Other designs of multifocal intraocular lens that
Cataract_surgery
Ophthalmology division of Johnson & Johnson
Laser Cataract Products Tecnis Multifocal Intraocular lens ReZoom Multifocal Intraocular lens Tecnis 1-Piece Intraocular lens WHITESTAR Signature Phacoemulsification
Johnson_&_Johnson_Vision
Hematoma usually associated with traumatic brain injury
Adams–Stokes syndrome Tachycardia (paroxysmal and sinus) Supraventricular Atrial Multifocal Junctional AV nodal reentrant Junctional ectopic Ventricular Accelerated
Subdural_hematoma
Canadian eye health company
Contact Lenses". www.bausch.com. Retrieved June 26, 2025. "Bausch + Lomb celebrates US launch of Infuse Multifocal SiHy daily disposable contact lenses". Optometry
Bausch_&_Lomb
Overview of the vision and optics of humans and other organisms
intraocular lenses fitted today are fixed monofocal lenses matched to distance vision. However, other types are available, such as multifocal IOLs which
Optics_and_vision
Visual and perceptual phenomenon
eliminate VAC to non-issue levels. These displays include varifocal, multifocal, holographic, pin-mirror and light field displays.[better source needed]
Vergence–accommodation conflict
Vergence–accommodation_conflict
Eye condition
over 70%. Multifocal intraocular lens implantation is a new possible treatment involving clear lens extraction and multifocal intraocular lens implantation
Spasm_of_accommodation
Computer programs able to produce inputs from outputs
Wiki. Retrieved 19 February 2024. Pacheco, Hugo; Cunha, Alcino (2012). Multifocal: A strategic bidirectional transformation language for XML schemas (PDF)
Bidirectional_transformation
optics – Uncut finished spectacle lenses ISO 8980-1:2017 Part 1: Specifications for single-vision and multifocal lenses ISO 8980-2:2017 Part 2: Specifications
List of ISO standards 8000–9999
List_of_ISO_standards_8000–9999
Eye treatment
all other intraocular lens alternatives that involve either intraocular lens monovision or the use of multifocal intraocular lenses. In contrast, Laser
Laser_blended_vision
Scientific instrument for observing small objects
camera lens itself. Fluorescence interference contrast microscopy Laser capture microdissection Microscope image processing Microscope slide Multifocal plane
Microscope
Topics referred to by the same term
females of several species Diffractive optical element, such as a multifocal diffractive lens Distributed Objects Everywhere, a distributed computing project
Doe
Origins and diversification of the organs of sight through geologic time
the focal system being utilized. A slit pupil can indicate the common multifocal system, while a circular pupil usually specifies a monofocal system. When
Evolution_of_the_eye
Refractive surgical procedure to correct myopia (nearsightedness
effective lens position using standard lens calculations. Additional methods have been introduced to improve the accuracy of IOL calculations. Multifocal IOL
Radial_keratotomy
Polish ophthalmologist (1847–1911)
invention of intraocular lens, unlike leaving the eye without lens as Fukula did earlier, usually a monofocal or multifocal intraocular lens is placed inside
Vincenz_Fukala
Device implanted in eye to adjust refactive strength
Walter D. (11 November 2019). "Optical Evaluation of New Designs of Multifocal Diffractive Corneal Inlays". Journal of Ophthalmology. 2019: 1–6. doi:10
Corneal_inlay
Lizards belonging to the suborder Gekkota
(3): 27.1–11. doi:10.1167/9.3.27. PMID 19757966. "Gecko-inspired multifocal contact lenses, cameras on the anvil". Oneindia. 8 May 2009. Archived from the
Gecko
resolutions below 40 nm. Stimulated emission depletion microscope (STED) Multifocal plane microscopy (MUM) J. Bewersdorf; A. Egner; S.W. Hell (2004). "4Pi-Confocal
4Pi_microscope
Inflammation of the uvea of the eye
diagnoses:[citation needed] acute posterior multifocal placoid pigment epitheliopathy birdshot chorioretinopathy multifocal choroiditis and panuveitis multiple
Uveitis
2025 smartphone model
and an f/2.0 aperture. The rear cameras support 4K video recording and multifocal portrait modes at 23 mm, 35 mm, and 50 mm focal lengths, along with seven
Vivo_V50
Medical condition
clinical presentations of dystonia (in varying severity: focal dystonia or multifocal dystonia) or parkinsonism, genetic testing for the gene changes (DSCs
X-linked dystonia parkinsonism
X-linked_dystonia_parkinsonism
Ophthalmologic equipment
and the patient's optical correction (e.g. glasses, bifocals, multifocals, contact lens) is required to be worn. In the event that correction cannot be
Maddox_wing
Optical phenomenon
lens can "[incorporate] the elements necessary to make an optical vortex directly into its surface." Spiralizing a diopter can achieve multifocality,
Optical_vortex
Medical condition
is needed to support this finding.[citation needed] Uveitis Retinitis Multifocal choroiditis and panuveitis "Choroiditis (definition)". WebMD. Retrieved
Chorioretinitis
Species of fungus
de Mycologie Médicale. 8 (1): 32–33. Cohen-Abbo A, Edwards KM (1995). "Multifocal osteomyelitis caused by Paecilomyces varioti in a patient with chronic
Paecilomyces_variotii
Medical condition
both rod and cone components. The key to diagnosing this disorder is the multifocal ERG (mfERG), providing a single procedure for diagnosis. Onset is known
Occult_macular_dystrophy
American optometrist (1913–2012)
Hitzeman S.A. Comparison of the acceptance of progressive addition multifocals with blended bifocals. J Am Optom Assoc 1983; 54:415 - 422. Borish I
Irvin_Borish
including multifocal plane microscopy, double helix point spread function microscopy, and introducing astigmatism via a cylindrical lens or adaptive
Single-particle_tracking
Eye disease affecting the retina
visual field test, optical coherence tomography, fluorescein angiography, multifocal electroretinography and electrophysiology may be used in diagnosing AIBSE
Acute idiopathic blind spot enlargement syndrome
Acute_idiopathic_blind_spot_enlargement_syndrome
Scottish physicist and mathematician (1831–1879)
original, since René Descartes had also examined the properties of such multifocal ellipses in the 17th century, but Maxwell had simplified their construction
James_Clerk_Maxwell
50%. Soft contact lens options, such as dual-focus designs like MiSight, extended depth of focus lenses, and high-addition multifocals, use concentric optical
Peripheral_defocus
Fluorescence imaging technique
PMID 9168018. Bewersdorf, Jörg; Pick, Rainer; Hell, Stefan W. (1 May 1998). "Multifocal multiphoton microscopy". Optics Letters. 23 (9): 655–657. Bibcode:1998OptL
Two-photon excitation microscopy
Two-photon_excitation_microscopy
obstructive pulmonary disease Chronic polyradiculoneuritis Chronic recurrent multifocal osteomyelitis Chronic renal failure Chronic spasmodic dysphonia Chronic
List_of_diseases_(C)
apical beat point of maximal intensity PML polyoma virus progressive multifocal leukoencephalopathy PMP Pseudomyxoma peritonei PMN polymorphonuclear leukocytes
List of medical abbreviations: P
List_of_medical_abbreviations:_P
Part of the eye
thresholds, vascular diameters, pupillometry, electroretinography (ERG), multifocal ERG and optical coherence tomography (OCT). This strategy is effective
Retina
Medical condition
posterior scleritis, uveal effusion syndrome, tuberculosis, syphilis, and multifocal choroidopathy syndromes. Based on the presence of extraocular findings
Vogt–Koyanagi–Harada_disease
Protein-coding gene in the species Homo sapiens
acetyltransferase KAT5. Mutations in this gene have been associated with multifocal stenosing ulceration of the small intestine. GRCh38: Ensembl release 89:
PLA2G4A
Assistive devices for people with disabilities
(mobility), environment-controlling hearing aids (hearing), multifocal intraocular lenses and artificial retina, along with Virtual and Augmented Reality
Assistive_technology
Moore's law Mosquito laser Motion detection Multiangle light scattering Multifocal multiphoton microscopy Multiphase topology optimisation Multiphoton intrapulse
List_of_laser_articles
Visual perception disorder
Alzheimer's disease, intracranial tumors, or brain injury. Progressive multifocal leukoencephalopathy and Creutzfeldt–Jakob disease have also been found
Bálint's_syndrome
hydrocephalus 331.5* Jakob-Creutzfeldt disease (046.1†) 331.6* Progressive multifocal leucoencephalopathy (046.3†) 331.7* Cerebral degeneration in other diseases
List of ICD-9 codes 320–389: diseases of the nervous system and sense organs
List_of_ICD-9_codes_320–389:_diseases_of_the_nervous_system_and_sense_organs
Veterinary inflammatory condition of the cornea
recommended as it can pick up early viral/fungal lesions, which will appear as multifocal disturbances to the tear film.[citation needed] Culture and sensitivity
Corneal_ulcers_in_animals
bifocal, confocal, defuel, focaccia, focal, focus, foyer, fuel, fusillade, multifocal, omnifocal, parfocal, refocus, refuel, trifocal, varifocal foedus foeder-
List of Latin words with English derivatives
List_of_Latin_words_with_English_derivatives
Disease caused by agents transmitted by water
environments, including surface water, tap water, swimming pools, and contact lens solutions Eye pain, eye redness, blurred vision, sensitivity to light, sensation
Waterborne_disease
Cancer of the throat
non-keratinising. HPV+OPC also differs from HPV-OPC in being focal rather than multifocal and not being associated with pre-malignant dysplasia. HPV+OPC patients
HPV-positive oropharyngeal cancer
HPV-positive_oropharyngeal_cancer
Series of techniques in optical microscopy
fluorescence microscopy. Correlative light-electron microscopy Deconvolution Multifocal plane microscopy (MUM) Photoactivatable probes Photoactivated localization
Super-resolution_microscopy
American ophthalmologist
refractive error and visual acuity after photorefractive keratectomy: Multifocal corneal effects. J Cat Ref Surg. 1997;23:1029-1033. Hersh P. A standardized
Peter_Hersh
Ahmed, Hashim U; et al. (2012). "Focal therapy for localised unifocal and multifocal prostate cancer: a prospective development study". The Lancet Oncology
2012_in_science
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