In eyes after PRK, however, we observe the opposite tendency so the flatter the cornea is, the easier it is to applanate; a possible explanation is that the tissue ablation after myopic PRK makes corneas weaker to external deformations.
The baby presented no sucking reflex, a very weak reactivity to external stimuli, reduced muscle tone, especially in the head - shoulder line and weakened tendon reflexes.
Namibia is excluded from trade benefits afforded to "less successful" peers, while labouring under a weak economy prey to external shocks and credit crises.
Although Americans may feel relieved that Russian conventional forces are now too weak to pose a serious external threat, there is a worrisome side to Russia's military breakdown.
A falling rupee is a concern because it is a signal of weakness to the external world, and a weaker currency makes it more expensive to buy imported goods like oil, which in turn aggravates the problem of inflation.
South Korea's stock markets are perceived as weak and more vulnerable to external conditions than their more established counterparts.
The pyrolysis of wood and the time to ignition is predicted using the model, which is also used to explain the mechanism of the pyrolysis of wood exposed to weak external fluxes for long times.
However, customs spokesman Huang Songping warned at a news conference that China's trade faced "many challenges" in 2016 due to weak external demand, Reuters reported.
Many other emerging markets have slowed since 2013 as well, owing to weak external conditions, economic fragility (stemming from loose monetary, fiscal, and credit policies in the good years), and, often, a move away from market-oriented reforms and toward variants of state capitalism.
Nevertheless, key trade sectors remain vulnerable to weak external demand.
