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Title 21

Displaying title 21, up to date as of 7/15/2026. Title 21 was last amended 7/09/2026.
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Title 21Food and DrugsPart / Section
Chapter IFood and Drug Administration, Department of Health and Human Services1 – 1299
Subchapter HMedical Devices800 – 898
Part 886Ophthalmic Devices886.1 – 886.5933
Subpart BDiagnostic Devices886.1040 – 886.1945
§ 886.1040Ocular esthesiometer.
§ 886.1050Adaptometer (biophotometer).
§ 886.1070Anomaloscope.
§ 886.1090Haidinger brush.
§ 886.1100Retinal diagnostic software device.
§ 886.1120Ophthalmic camera.
§ 886.1140Ophthalmic chair.
§ 886.1150Visual acuity chart.
§ 886.1160Color vision plate illuminator.
§ 886.1170Color vision tester.
§ 886.1190Distometer.
§ 886.1200Optokinetic drum.
§ 886.1220Corneal electrode.
§ 886.1250Euthyscope.
§ 886.1270Exophthalmometer.
§ 886.1290Fixation device.
§ 886.1300Afterimage flasher.
§ 886.1320Fornixscope.
§ 886.1330Amsler grid.
§ 886.1340Haploscope.
§ 886.1342Strabismus detection device.
§ 886.1350Keratoscope.
§ 886.1360Visual field laser instrument.
§ 886.1375Bagolini lens.
§ 886.1380Diagnostic condensing lens.
§ 886.1385Polymethylmethacrylate (PMMA) diagnostic contact lens.
§ 886.1390Flexible diagnostic Fresnel lens.
§ 886.1395Diagnostic Hruby fundus lens.
§ 886.1400Maddox lens.
§ 886.1405Ophthalmic trial lens set.
§ 886.1410Ophthalmic trial lens clip.
§ 886.1415Ophthalmic trial lens frame.
§ 886.1420Ophthalmic lens gauge.
§ 886.1425Lens measuring instrument.
§ 886.1430Ophthalmic contact lens radius measuring device.
§ 886.1435Maxwell spot.
§ 886.1450Corneal radius measuring device.
§ 886.1460Stereopsis measuring instrument.
§ 886.1500Headband mirror.
§ 886.1510Eye movement monitor.
§ 886.1570Ophthalmoscope.
§ 886.1605Perimeter.
§ 886.1630AC-powered photostimulator.
§ 886.1640Ophthalmic preamplifier.
§ 886.1650Ophthalmic bar prism.
§ 886.1655Ophthalmic Fresnel prism.
§ 886.1660Gonioscopic prism.
§ 886.1665Ophthalmic rotary prism.
§ 886.1670Ophthalmic isotope uptake probe.
§ 886.1680Ophthalmic projector.
§ 886.1690Pupillograph.
§ 886.1700Pupillometer.
§ 886.1750Skiascopic rack.
§ 886.1760Ophthalmic refractometer.
§ 886.1770Manual refractor.
§ 886.1780Retinoscope.
§ 886.1790Nearpoint ruler.
§ 886.1800Schirmer strip.
§ 886.1810Tangent screen (campimeter).
§ 886.1840Simulatan (including crossed cylinder).
§ 886.1850AC-powered slitlamp biomicroscope.
§ 886.1860Ophthalmic instrument stand.
§ 886.1870Stereoscope.
§ 886.1880Fusion and stereoscopic target.
§ 886.1905Nystagmus tape.
§ 886.1910Spectacle dissociation test system.
§ 886.1925Diurnal pattern recorder system.
§ 886.1930Tonometer and accessories.
§ 886.1940Tonometer sterilizer.
§ 886.1945Transilluminator.