A girl rubs her eyes as smoke rises from a burning effigy of the demon Ghantakarna, symbolizing the destruction of evil, during the Ghantakarna festival at the ancient city of Bhaktapur July 17, 2012. According to legend, the demon is believed to "steal" children and women from their homes and localities. REUTERS/Navesh Chitrakar (NEPAL - Tags: RELIGION SOCIETY) 

Yamaha MotoGP rider Jorge Lorenzo of Spain rubs his eye as he sits in his box during the first practice session for the Italian motorcycle Grand Prix at Mugello circuit July 13, 2012. REUTERS/Giampiero Sposito (ITALY - Tags: SPORT MOTORSPORT) 

Yamaha MotoGP rider Jorge Lorenzo of Spain rubs his eye as he sits in his box during the first practice session for the Italian motorcycle Grand Prix at Mugello circuit July 13, 2012. REUTERS/Giampiero Sposito (ITALY - Tags: SPORT MOTORSPORT) 

Jose Miguel Insulza, secretary general of the Organization of American States (OAS), rubs his eyes during a news conference after a private meeting with El Salvador's President Mauricio Funes (not pictured) at the presidential house in San Salvador July 12, 2012. Insulza is on a 24-hour visit to the country to find out more about a truce between the two largest gangs in the country, local media reported. According to the government of El Salvador, since a truce was signed on March 19, 2012 between the Mara Salvatrucha (MS13) and Mara 18 (M18) gangs, crime has decreased from 15 to 5 cases a day. REUTERS/Ulises Rodriguez (EL SALVADOR - Tags: POLITICS CRIME LAW) 

Italy's President Giorgio Napolitano rubs his eye as he speaks at a news conference during his visit in Brdo near Kranj July 10, 2012. REUTERS/Srdjan Zivulovic (SLOVENIA - Tags: POLITICS) 

Italy's Federica Pellegrini rubs her eye as she waits for the podium ceremony at the 49th International Swimming Settecolli Trophy in Rome June 14, 2012. REUTERS/Giampiero Sposito (ITALY - Tags: SPORT SWIMMING) 

U.S. marathon runner Meb Keflezighi rubs his eyes after a training run for the London 2012 Olympics in Mammoth Lakes, California May 30, 2012. Olympic silver medalist Keflezighi, 37, is the oldest American ever to qualify for the Olympic marathon. He trains at an altitude of around 9,000 feet in Mammoth to increase his red blood cells and boost his endurance. REUTERS/Lucy Nicholson (UNITED STATES - Tags: SPORT ATHLETICS SOCIETY OLYMPICS) 

Defendant Marvin Norwood rubs his eyes during his preliminary hearing at Los Angeles' Superior Court May 30, 2012. Norwood and co-defendant Louie Sanchez are charged in the beating of San Francisco Giants fan Bryan Stow in the parking lot of Dodger Stadium on the opening day of the 2011 season. REUTERS/Irfan Khan/Pool (UNITED STATES - Tags: SPORT BASEBALL) 

A riot policeman rubs his eyes as protesters march in Bogota May 30, 2012. Teachers and workers took to the streets to demand better salaries and work conditions on Wednesday. REUTERS/Jose Miguel Gomez (COLOMBIA - Tags: CIVIL UNREST CRIME LAW BUSINESS EMPLOYMENT) 

Emilio Azcarraga Jean, CEO and Chairman of the Board of Grupo Televisa, rubs his eye during the Becalos scholarship program graduation ceremony in Mexico City May 25, 2012. Becalos is an educational scholarship program founded in 2006 by the Mexican Banking Association (ABM) and Televisa Foundation as a way to increase the quality of education and keep youths in school, local media reported. REUTERS/Tomas Bravo (MEXICO - Tags: EDUCATION BUSINESS) 

A man smokes as he sits with his son in Tahrir square in Cairo May 24, 2012. Egyptians, choosing their leader freely for the first time in history, voted for a second day on Thursday in an election that is a fruit of last year's popular revolt against Hosni Mubarak. REUTERS/Suhaib Salem (EGYPT - Tags: POLITICS ELECTIONS) 

An iron worker rubs his eyes as he sits for a rest on a partially finished floor near the top of One World Trade Center in New York, April 30, 2012. The addition of iron columns to the 100th story pushed the height of One World Trade above that of the Empire State Building today. REUTERS/Lucas Jackson (UNITED STATES - Tags: CITYSPACE SOCIETY BUSINESS CONSTRUCTION) 

A man rubs his eyes as he waits in a line of jobseekers, to attend the Dr. Martin Luther King Jr. career fair held by the New York State department of Labor in New York April 12, 2012. A report on Friday showed the economy created only 120,000 jobs last month, the fewest since October. The unemployment rate fell to a three-year low of 8.2 percent, but largely as people gave up the search for work. REUTERS/Lucas Jackson (UNITED STATES - Tags: BUSINESS EMPLOYMENT) 

Britain's Prime Minister David Cameron (C) rubs his eyes as he and his wife Samantha greet U.S. Chief of Protocol Capricia Penavic Marshall (R) during their arrival to begin his official visit to the U.S. at Andrews Air Force Base, Maryland, March 13, 2012. REUTERS/Jonathan Ernst (UNITED STATES) 

Britain's Prime Minister David Cameron (C) rubs his eyes as he and his wife Samantha greet U.S. Chief of Protocol Capricia Penavic Marshall (R) during their arrival to begin his official visit to the U.S. at Andrews Air Force Base, Maryland, March 13, 2012. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS) 

A boy who fled a war across the border in Sudan's Blue Nile state waits in a queue outside a clinic in Doro refugee camp, March 9, 2012. Sudan is fighting a civil war on multiple fronts in Darfur, South Kordofan and Blue Nile, with almost 100,000 fleeing across the border into the newly-independent South Sudan. South Sudan seceded last July under a 2005 peace agreement that ended decades of civil war with Khartoum. But peace remains uneasy at best, with the north and south deadlocked over oil transit fees that have contributed to recent high global oil prices. REUTERS/Hereward Holland (SOUTH SUDAN - Tags: CIVIL UNREST SOCIETY) 

A U.S. soldier from 549th MP Company, Task Force Bronco rubs his eyes after waking up next to his colleagues sleeping in their sleeping bags inside a warehouse in Forward Operating Base Lone Star after a patrol in Pachir wa Agam district in Nangarhar province, eastern Afghanistan March 6, 2012. REUTERS/Erik De Castro (AFGHANISTAN - Tags: MILITARY CIVIL UNREST) 

Keriell Williams, 5, who is homeless, rubs her eyes as she does her homework at a School on Wheels' after-school program in Los Angeles, February 9, 2012. School on Wheels provides tutoring and educational mentoring to homeless children. A recent report by the National Alliance to End Homelessness found that California's population of homeless families increased by five percent between 2009 and 2011. It is estimated that there are over 300,000 homeless children in California. REUTERS/Lucy Nicholson (UNITED STATES - Tags: EDUCATION SOCIETY) 

German Interior Minister Hans-Peter Friedrich rubs his eye during the weekly cabinet meeting in Berlin, January 25, 2012. REUTERS/Fabrizio Bensch (GERMANY - Tags: POLITICS) 

France's Gael Monfils rubs his eye during his match against Andy Roddick of the United States at the Kooyong Classic tennis tournament in Melbourne January 11, 2012. REUTERS/Tim Wimborne (AUSTRALIA - Tags: SPORT TENNIS) 

U.S. President Barack Obama rubs his eyes during a joint news conference with Iraq's Prime Minister Nuri al-Maliki in the Eisenhower Executive Office Building on the White House campus in Washington, December 12, 2011. REUTERS
Jonathan Ernst (UNITED STATES - Tags: POLITICS) 

Russian Prime Minister Vladimir Putin rubs his eye as he presents documentation for his presidential candidacy at the Central Electoral Commission in Moscow December 7, 2011. Russian presidential elections are scheduled for March 2012. REUTERS/Sergei Karpukhin (RUSSIA - Tags: POLITICS PROFILE) 

German Finance Minister Wolfgang Schaeuble rubs his eye as he attends a session of the German lower house of parliament Bundestag in Berlin December 2, 2011. REUTERS/Tobias Schwarz (GERMANY - Tags: POLITICS HEADSHOT BUSINESS) 

Italy's soccer head coach Cesare Prandelli rubs his eye as he attends the presentation of the team's new jersey in Rome November 14, 2011. REUTERS/Giampiero Sposito (ITALY - Tags: SPORT SOCCER) 

Austrian national soccer team forward Marko Arnautovic rubs his eyes during a news conference in Vienna, November 11, 2011. Austria will play a friendly soccer match against Ukraine on November 15. REUTERS/Heinz-Peter Bader (AUSTRIA - Tags: SPORT SOCCER) 

Republican presidential candidate Herman Cain rubs his eyes as he speaks at a Northern Virginia Technology Council meeting in McLean, Virginia, November 2, 2011. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS ELECTIONS) 

A foreign exchange dealer takes a break as he conducts trading at a dealing room in Tokyo October 31, 2011. Finance Minister Jun Azumi said Japan intervened unilaterally in the foreign exchange market on Monday but declined to comment on the size of the intervention. REUTERS/Yuriko Nakao (JAPAN - Tags: BUSINESS) 

A trader on the IG Group dealing floor rubs his eyes in the City of London October 27, 2011. World stocks and the euro rose to their highest levels in nearly two months on Thursday after European leaders struck a deal to resolve a two-year-old sovereign debt crisis, which threatens the survival of the single currency. REUTERS/Paul Hackett (BRITAIN - Tags: BUSINESS POLITICS) 

A trader on the IG Group dealing floor rubs his eyes in the City of London October 27, 2011. World stocks and the euro rose to their highest levels in nearly two months on Thursday after European leaders struck a deal to resolve a two-year-old sovereign debt crisis, which threatens the survival of the single currency. REUTERS/Paul Hackett (BRITAIN - Tags: BUSINESS POLITICS) 

The Japanese yen's exchange rate against major currencies is displayed on an electronic board above a foreign exchange broker rubbing his eyes at a trading room in Tokyo October 26, 2011. Japan's central bank is likely to debate easing monetary policy further at a meeting on Thursday after the yen rose to another record high and doubts mounted over whether Europe can forge a clear plan to tackle the euro zone debt crisis, sources said. However, the yen's renewed climb to record highs against the dollar and stock market losses -- driven largely by market concerns that Wednesday's European Union crisis summit will fail to produce a decisive solution -- are dimming Japan's economic outlook. REUTERS/Yuriko Nakao (JAPAN - Tags: BUSINESS) 

Defense attorney Edward Chernoff rubs his eyes during Dr. Conrad Murray's trial in the death of Jackson in Los Angeles September 29, 2011. REUTERS/Al Seib/Pool (UNITED STATES - Tags: CRIME LAW ENTERTAINMENT) 

Citigroup CEO Vikram Pandit rubs his eyes before answering a question at the Bretton Woods Committee International Council conference in Washington, September 23, 2011. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS BUSINESS) 

U.S. television personality Larry King rubs his eyes during a news conference in Bratislava September 22, 2011. Larry King is in Slovakia at the invitation of private news channel TA3, which celebrates its 10th anniversary this week. REUTERS/Radovan Stoklasa (SLOVAKIA - Tags: ENTERTAINMENT MEDIA) 

Ferrari Formula One driver Fernando Alonso (L) of Spain rubs his eye as he walks in the paddock with teammate Felipe Massa of Brazil at the Monza circuit September 8, 2011 ahead of this weekend's Italian F1 grand prix. REUTERS/ Giampiero Sposito (ITALY - Tags: SPORT MOTORSPORT) 

Veteran Indian social activist Anna Hazare rubs his eyes in front of a portrait of Mahatma Gandhi on the 12th day of his fast at Ramlila grounds in New Delhi August 27, 2011. India's parliament prepared for a special session on Saturday to debate anti-corruption proposals demanded by a self-styled Gandhian activist whose 12-day hunger strike has gained the support of millions and forced the hand of Prime Minister Manmohan Singh's besieged government. The campaign by 74-year-old Hazare has struck a chord with millions of Indians tired of endemic corruption, sparking nationwide protests and exposing the ruling Congress party as out-of-touch with voters and bereft of political capital. REUTERS/Parivartan Sharma (INDIA - Tags: POLITICS) 

A girl waits outside a polling station as soldiers stand in line before casting their ballots in advance voting ahead of general elections at the university campus in Udon Thani in northeastern Thailand June 26, 2011. Thailand will hold a general election on July 3, a potentially volatile poll after more than five years of sometimes bloody political conflict. REUTERS/Damir Sagolj (THAILAND - Tags: POLITICS ELECTIONS MILITARY) 

A woman rubs her fingers on a wall with indelible ink after voting at a polling unit in Kachia village, where violence erupted last week, in Nigeria's northern state of Kaduna April 28, 2011.Voters trickled out to polling stations on Thursday in two states in northern Nigeria where rioting killed hundreds last week, under the watchful eye of policemen on horseback and soldiers manning barricades. REUTERS/Afolabi Sotunde (NIGERIA - Tags: POLITICS ELECTIONS) 

Pope John Paul II rubs his eyes during a holy mass for the beatification of nuns from Maddalena Caterina Morano November 5, 1994. The Pope is on a three-day visit to Sicily. REUTERS/Luciano Mellace (ITALY - Tags: RELIGION) 

Raiffeisen Bank International (RBI) CEO Herbert Stepic rubs his eyes during a news conference in Vienna, April 8, 2011. Raiffeisen Bank International is well capitalised but won't exclude the propsect of selling more shares at some stage,Stepic said on Friday. REUTERS/Heinz-Peter Bader (AUSTRIA - Tags: BUSINESS HEADSHOT) 

Connecticut Huskies head coach Jim Calhoun rubs his eye during their practice for the NCAA Final Four college basketball game in Houston, Texas, April 1, 2011. REUTERS/Lucy Nicholson (UNITED STATES - Tags: SPORT BASKETBALL) 

Pakistan World Cup captain Shahid Afridi rubs his eyes while speaking to the media outside his residence in Karachi on April 1, 2011. Afridi has withdrawn from next month's tour to West Indies, a source at the national cricket board told Reuters on Thursday. REUTERS/Athar Hussain (PAKISTAN - Tags: SPORT CRICKET) 

Pakistan World Cup captain Shahid Afridi rubs his eyes while speaking to the media outside his residence in Karachi on April 1, 2011. Afridi has withdrawn from next month's tour to West Indies, a source at the national cricket board told Reuters on Thursday. REUTERS/Athar Hussain (PAKISTAN - Tags: SPORT CRICKET) 

Australia's captain Ricky Ponting rubs his eyes as he takes a break during a practice session ahead of their ICC Cricket World Cup quarter-final match against India in Ahmedabad March 23, 2011. REUTERS/Vivek Prakash (INDIA - Tags: SPORT CRICKET) 

Australia's captain Ricky Ponting rubs his eyes as he takes a break during a practice session ahead of their ICC Cricket World Cup quarter-ffinal match against India in Ahmedabad March 23, 2011. REUTERS/Vivek Prakash (INDIA - Tags: SPORT CRICKET) 

U.S. Federal Reserve Chairman Ben Bernanke rubs his eyes as he waits for the start of a meeting of the Financial Stability Oversight Council at the Treasury Department in Washington March 17, 2011. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS BUSINESS IMAGES OF THE DAY) 

United States Representative Scott Garrett, (R-NJ), rubs his eye during a Reuters Finance Summit in Washington February 28, 2011. REUTERS/Joshua Roberts (UNITED STATES - Tags: BUSINESS POLITICS) 

Kazakhstan's President Nursultan Nazarbayev (L) rubs his eye beside his Chinese counterpart Hu Jintao during a signing ceremony at the Great Hall of the People in Beijing February 22, 2011. REUTERS/How Hwee Young/Pool (CHINA - Tags: POLITICS) 

Pittsburgh Penguins center Maxime Talbot (25) rubs his eye after he caught a high stick in the face from New York Rangers center Derek Stepan in the second period of their NHL hockey game at Madison Square Garden in New York, February 13, 2011. REUTERS/Ray Stubblebine (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Novak Djokovic of Serbia rubs his eye during the men's quarter-final match against Tomas Berdych of the Czech Republic at the Australian Open tennis tournament in Melbourne January 25, 2011. REUTERS/Tim Wimborne (AUSTRALIA - Tags: SPORT TENNIS) 

Novak Djokovic of Serbia uses a towel to rub his eyes during the men's quarter-final match against Tomas Berdych of the Czech Republic at the Australian Open tennis tournament in Melbourne January 25, 2011. REUTERS/Tim Wimborne (AUSTRALIA - Tags: SPORT TENNIS) 

U.S. House Speaker John Boehner (R-OH) (R) rubs his eyes during a celebration of the 50th anniversary of late U.S. President John F. Kennedy's inaugural address at the U.S. Capitol in Washington, January 20, 2011. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS) 

Adriana, 26, who is eight months pregnant, rubs her eye as a medical truck transports her from an area isolated by a landslide, in Nova Friburgo January 17, 2011. Rains that devastated a mountainous region north of Rio de Janeiro have killed at least 626 people, Brazil's Civil Defense agency said on Sunday, as fears of more storms and disease outbreaks overshadowed rescue operations. REUTERS/Ricardo Moraes (BRAZIL - Tags: ENVIRONMENT DISASTER) 

Belgium's Prime Minister Yves Leterme rubs his right eye while presenting the results of the Belgian public finances in 2010 during a news conference in Brussels January 12, 2011. Belgium will aim for a budget deficit of less then 4.0 percent of gross domestic product in 2011, Leterme said on Wednesday. REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS BUSINESS) 

Belgium's Budget Minister Guy Vanhengel (R) rubs his eyes as he sits next to Prime Minister Yves Leterme during a news conference to present the results of the Belgian public finances in 2010, in Brussels January 12, 2011. Belgium will aim for a budget deficit of less then 4.0 percent of gross domestic product in 2011, Leterme said on Wednesday.
REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS BUSINESS) 

A specialist trader rubs his eyes as he works on the floor of the New York Stock Exchange on the last trading day of the year in New York December 31, 2010. REUTERS/Jessica Rinaldi (UNITED STATES - Tags: BUSINESS) 

Spain's Rafael Nadal rubs his eyes at a news conference during the Mubadala World Tennis Championship at the International Tennis Complex in Zayed Sports City in Abu Dhabi December 30, 2010. REUTERS/Jumana El Heloueh (UNITED ARAB EMIRATES - Tags: SPORT TENNIS) 

Blackburn Rovers' manager Sam Allardyce is seen rubbing his eye during their English League Cup semi-final soccer match against Aston Villa at Villa Park in Birmingham, central England in this January 20, 2010 file photograph. Allardyce and his assistant Neil McDonald have left the club with immediate effect, the Premier League club said on December 13, 2010. REUTERS/Darren Staples/Files (BRITAIN - Tags: SPORT SOCCER) 

U.S. ambassador to Germany, Philip Murphy (L) rubs his eye during a meeting with the Rhineland-Palatinate governor Kurt Beck in Mainz, November 30, 2010. REUTERS/Ralph Orlowski (GERMANY - Tags: POLITICS ENVIRONMENT) 

U.S. ambassador to Germany, Philip Murphy (L) rubs his eye during a meeting with the Rhineland-Palatinate governor Kurt Beck in Mainz, November 30, 2010. REUTERS/Ralph Orlowski (GERMANY - Tags: POLITICS ENVIRONMENT) 

Takeda Pharmaceutical Co President Yasuchika Hasegawa rubs his eyes during the G20 CEO Summit in Seoul November 10, 2010. REUTERS/Aly Song (SOUTH KOREA - Tags: BUSINESS SOCIETY)