Modifiers matching distortion:

• physical,
• discontinuous,
• artificial,
• graphical,
• spectral,
• tidal,
• complex,
• sensory,
• defensive,
• optical,
• geometric,
• correct,
• main,
• perceptual,
• small,
• cuticular,
• concrete,
• geometrical,
• nonlinear,
• visual,
• facial,
• linear,
• anatomical,
• cognitive,
• pathological,
• dental,
• mechanical,
• local,
• gravitational,

Simple categories matching optical:

• power,
• property,
• phenomenon,
• instrument,
• sensor,
• force,
• imperfection,
• catalyst,
• material,
• texture,
• part,
• attribute,
• system,
• lense,
• means,
• equipment,
• disease,
• device,
• mode,
• medium,
• windows,
• surface,
• field,
• observation,
• assembly,
• interference,
• image,
• waveguide,
• input,
• reader,
• disk,
• measurement,
• glass,
• experiment,
• fiber,
• film,
• structure,
• energy,
• condition,
• shutter,
• marker,
• apparatus,
• pathology,
• sheet,
• penalty,
• hardware,
• contrivance,
• paraphernalia,
• unit,
• lens,
• entity,
• function,
• portion,
• module,
• value,
• communication,
• drive,
• error,
• pattern,
• quantity,
• disc,
• consideration,
• article,
• product,
• concept,
• interaction,
• display,
• correction,
• effect,
• measure,
• state,
• constant,
• component,
• element,
• application,
• communications,
• wave,
• glasses,
• defect,
• interferometer,
• plate,
• item,
• quality,
• solution,
• distortion,
• parameter,
• process,
• aberration,
• perturbation,
• amplifier,
• deflector,
• figure,
• filter,
• indicator,
• switch,
• appliance,
• elements,
• activity,
• radiation,
• implementation,
• circuit,
• network,
• section,
• base,
• performance,
• losses,
• transformation,
• data,
• scopes,
• coupling,
• machine,
• market,
• sensation,
• resin,
• characteristic,
• point,
• crystal,
• particle,
• instrumentation,
• dielectric,
• layer,
• feature,
• carrier,
• disorder,
• magazine,
• information,
• reflector,
• fibre,
• substrate,
• coating,
• irregularity,
• block,
• artifact,
• signaling,
• devices,
• substance,
• object,
• coupler,
• details,
• processing,
• impression,
• command,
• case,
• procedure,
• munition,
• detector,