Modifiers matching irregularity:

• visual,
• dental,
• local,
• epidermal,
• small,
• minor,
• geometric,
• extreme,
• structural,
• geometrical,
• tiny,
• cardiac,
• physiological,
• geological,
• cellular,
• superficial,
• large,
• financial,
• biological,
• genetic,
• menstrual,
• microscopic,
• optical,

Simple categories matching optical:

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