Ayers

MEMORANDUM **

Antuan Williams, a California state pris *648 oner, appeals pro se the district court’s grant of summary judgment in his civil rights action alleging that prison officials were deliberately indifferent to his medical needs. We affirm.

DISCUSSION

Prison officials violate the Eighth Amendment when they are deliberately indifferent to a prisoner’s medical needs. Long v. County of Los Angeles, 442 F.3d 1178, 1185 (9th Cir.2006). To demonstrate “deliberate indifference” the prisoner must show that “the official knew of and disregarded an excessive risk to inmate health.” Austin v. Terhune, 367 F.3d 1167, 1172 (9th Cir.2004) (quoting Farmer v. Brennan, 511 U.S. 825, 888 , 114 S.Ct. 1970 , 128 L.Ed.2d 811 (1994)). This burden may be met by showing “a purposeful act or failure to respond to a prisoner’s pain or possible medical need.” Jett v. Penner, 439 F.3d 1091, 1096 (9th Cir.2006).

Williams complains of the treatment he received by a prison doctor after reporting brief periods of vision loss. There is no dispute, however, that Williams was promptly examined and that the doctor exercised his medical judgment in concluding that Williams was not likely suffering from…