<prompt> Primary angle secondary angle of deviation in which squintConcomitantParalyticLatentNone  <response>: Ans. a Concomitant. Ref. Parson, Diseases of Eye, 18th341, Basak, Ophthalmology, 2nd 298SQUINTS. No.Concomitant AparalyticParalytic Nonconcomitant1.Sudden onsetInsidious onset2.Developmental originAcquired3.Infants and childrenAdults affected4.DiplopiaNo diplopia5.Normal head postureAbnormal head posture6.No false projectionFalse projection 7.Angle of squint constant in all direction of gazeVariable angle of squint8.Normal ocular movementOccular movements restricted9.Secondary angle of deviation primary angleSecondary angle primary10.AmblyopiaNo amblyopia11.Good surgical resultsNot satisfactorycontraindicated 