▁County , ▁California ▁Category : 1 9 5 7 ▁establish ments ▁in ▁California ▁Category : In cor por ated ▁cities ▁and ▁towns ▁in ▁California ▁Category : San ▁Jo aqu in ▁Valley ▁Category : Pop ulated ▁places ▁established ▁in ▁ 1 9 5 7 <0x0A> </s> ▁Col lie ▁eye ▁anom aly ▁( CE A ) ▁is ▁a ▁con gen ital , ▁inherited , ▁bil ater al ▁eye ▁disease ▁of ▁dogs , ▁which ▁affect s ▁the ▁ret ina , ▁ch or oid , ▁and ▁s cl era . ▁ ▁It ▁can ▁be ▁a ▁m ild ▁disease ▁or ▁cause ▁blind ness . ▁ ▁CE A ▁is ▁caused ▁by ▁a ▁simple ▁aut os om al ▁re cess ive ▁gene ▁defect . ▁ ▁There ▁is ▁no ▁treatment . ▁ ▁A ffect ed ▁bre eds ▁It ▁is ▁known ▁to ▁occur ▁in ▁Scot ch ▁Col lies ▁( sm ooth ▁and ▁rough ▁col lies ), ▁Sh et land ▁She ep d ogs , ▁Australian ▁She ph erd s , ▁Border ▁Col lies , ▁Lanc ash ire ▁He el ers , ▁and ▁Nova ▁Scot ia ▁D uck ▁Tol ling ▁Retrie vers . ▁ ▁Fre quency ▁is ▁high ▁in ▁Col lies ▁and ▁Sh et land ▁She ep d ogs , ▁and ▁low ▁in ▁Border ▁Col lies ▁and ▁NS D TR s . ▁ ▁In ▁the ▁United ▁States , ▁inc idence ▁in ▁the ▁gen ot ype ▁of ▁col lies ▁has ▁been ▁estimated ▁to ▁be ▁as ▁high ▁as ▁ 9 5 ▁percent , ▁with ▁a ▁phen ot yp ic ▁inc idence ▁of ▁ 8 0