Exposure to bright light for two to three hours daily helps regulate the eye 's growth , dramatically reducing the risk of myopia , an australian research council study found .
Yet because volatility remained low for so long , disaster myopia prevailed .
然而,由于相当长的时间里波动性小,灾难短视就获胜了。
Risk-management models reinforced this myopia by relying too heavily on recent data samples with a narrow distribution of outcomes , especially in subprime mortgages .
The repercussions of the tyranny of the quarter-end are well known , from irritating but innocuous travel bans and spending freezes to earnings manipulation and management myopia .