{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.aberration-phenomenon","code":"thing-aberration-phenomenon","url":"https://ver.cy/models/thing/aberration-phenomenon/","name":"aberration","alternateNames":["distortion","optical aberration","chromatic aberration","spherical aberration"],"kind":"thing","status":"published","version":"0.2.0-wave.1","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"noun.phenomenon","plane":"PHY","domain":["PHY.FLW"],"industry":[],"navPath":"","tags":[],"facets":{"substance":"energy","origin":"natural","agency":"inert","mobility":"not-applicable","scale":"not-applicable","affordances":["observable"]}},"whatItIs":"An optical phenomenon in which a lens or mirror fails to bring light to a sharp, accurate image, including chromatic aberration (colour fringing), spherical aberration, coma, astigmatism, field curvature and distortion.","purpose":"Let an agent handle optical aberrations by type, cause, measurement and correction in cameras, telescopes, microscopes and eyes.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Image imperfection from optics","Several distinct types","Reduced by lens design","Measured with test targets or wavefront sensors"],"structure":{"bundles":[{"id":"type","name":"Type","description":"Which aberration.","layers":[{"id":"identify","name":"Identify","description":"Symptoms.","findings":[{"id":"identify-finding","name":"Identify","description":"Aberration type.","questions":[{"text":"Which aberration is visible in this image?","kind":"definition"},{"text":"Where in the frame does it appear?","kind":"measurement"}]}]},{"id":"cause","name":"Cause","description":"Optics.","findings":[{"id":"cause-finding","name":"Cause","description":"Cause.","questions":[{"text":"What in the optical design causes it?","kind":"definition"},{"text":"Does aperture change it?","kind":"boundary"}]}]}]},{"id":"correction","name":"Correction","description":"Fixing.","layers":[{"id":"design","name":"Design","description":"Lens elements.","findings":[{"id":"design-finding","name":"Design","description":"Optical correction.","questions":[{"text":"Which lens designs reduce this aberration?","kind":"definition"},{"text":"What are the trade-offs?","kind":"boundary"}]}]},{"id":"software","name":"Software","description":"Post-processing.","findings":[{"id":"software-finding","name":"Software","description":"Software correction.","questions":[{"text":"Can software lens profiles correct it?","kind":"action"},{"text":"What is lost?","kind":"boundary"}]}]}]},{"id":"measurement","name":"Measurement","description":"Testing.","layers":[{"id":"tests","name":"Tests","description":"Targets.","findings":[{"id":"tests-finding","name":"Tests","description":"Test targets.","questions":[{"text":"Which test target or method measures it?","kind":"action"},{"text":"What values indicate good performance?","kind":"measurement"}]}]},{"id":"wavefront","name":"Wavefront","description":"Zernike terms.","findings":[{"id":"wavefront-finding","name":"Wavefront","description":"Wavefront analysis.","questions":[{"text":"How are aberrations described with Zernike polynomials?","kind":"definition"},{"text":"Which instrument measures them?","kind":"provenance"}]}]}]},{"id":"eyes","name":"Eyes","description":"Human vision.","layers":[{"id":"vision","name":"Vision","description":"Eye aberrations.","findings":[{"id":"vision-finding","name":"Vision","description":"Eye aberrations.","questions":[{"text":"How do aberrations of the eye affect vision, in general terms?","kind":"definition"},{"text":"Should an optometrist assess vision problems?","kind":"action"}]}]},{"id":"senses","name":"Senses","description":"Disambiguation.","findings":[{"id":"senses-finding","name":"Senses","description":"Other senses.","questions":[{"text":"Is stellar aberration or a deviation from normal meant?","kind":"boundary"},{"text":"Which entry fits?","kind":"action"}]}]}]}]},"agentConduct":{"may":["Measure and report the aberrations of a lens or optical system.","Explain how aberrations arise and how designs correct them."],"mustNot":["Misstate the optical quality of instruments in sale or certification.","Hide aberrations in instruments used for medical or safety decisions.","Alter images of scientific or medical value to remove aberrations without saying so."],"requiresHuman":["Accepting optical instruments for clinical or safety use."]},"ethics":{"considerations":["Image quality matters for diagnosis, navigation and science.","Buyers rely on honest specifications."],"affectedParties":["Users of optical instruments","Patients whose images are read"]},"owners":{"steward":"Nobody: a physical phenomenon; makers answer for the quality of their instruments.","roles":[],"masterSystems":[]},"relations":[{"target":"oewn-11511038-n","type":"parent","note":"registry parent class"},{"target":"optical phenomenon","type":"related","note":"category"},{"target":"lens and mirror","type":"related","note":"components"},{"target":"achromatic and aspheric lenses","type":"related","note":"correction"},{"target":"aberration of light (astronomy)","type":"related","note":"another sense"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.aberration-phenomenon","Open English WordNet: oewn-11440253-n"]},"properties":{"applicability":"required","items":["Wavefront error:  nm - Measure the departure from an ideal reference wavefront over a specified aperture and wavelength.","Image spot diameter:  um - Measure the image of a point source at a specified focus, field position and wavelength using a stated diameter criterion.","Geometric distortion:  % - Measure image position error relative to the ideal projection at a specified field position."]},"recognition":{"applicability":"required","items":["Purple or green fringes at edges","Soft corners or comet-shaped stars","Aberration of starlight in astronomy is a different effect","Colour fringes, blur, comet-shaped points, or bent straight lines in images."]},"capabilities":{"applicability":"required","items":["identify aberration types in images","choose corrected lenses","correct aberrations in software","understand eye aberrations in general terms"]},"hazards":{"applicability":"required","items":["Blaming aberration for focus errors","Confusing senses"]},"interfaces":{"applicability":"required","items":["ISO 10110 optics drawings","ISO 12233 camera resolution tests"]},"context":{"applicability":"required","items":["Designing and evaluating optical systems.","chromatic aberration","spherical aberration","coma","astigmatism","field curvature and distortion"]}},"sources":[{"title":"Open English WordNet 2024, synset oewn-11440253-n","url":"https://en-word.net/id/oewn-11440253-n","note":"sense and gloss of the concept"},{"title":"Wiktionary: aberration","url":"https://en.wiktionary.org/wiki/aberration","note":"word senses and usage"}],"openQuestions":["Should each aberration be a separate entry?","How should Zernike terms be linked?","How should the astronomy sense be split off?"],"resources":{"spec":"/models/things/publications/thing-aberration-phenomenon/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-aberration-phenomenon/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T10:19:00Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T12:16:27+00:00: completeness 1.00; sense: WordNet gloss; 2 live sources; review by codex: pass"},"score":1.0}}