Pepin Susan M
Dartmouth Medical School, Dartmouth Hitchcock Medical Center, Lebanon, New Hampshire 03756, USA.
Curr Opin Ophthalmol. 2008 Jan;19(1):10-2. doi: 10.1097/ICU.0b013e3282f31758.
Advances in the design of intraocular lenses give options to patients for some return to the optical accommodation needed to focus on objects at different distances. Technology is only improving these options for presbyopic-correcting intraocular lenses. Surgeons must consider the possible neuroadaptation abilities in patients that may help in the success of using these lenses.
The hierarchy of the visual system allows two disparate retinal images to combine to form a single picture with depth. Attempts to correct presbyopia with intraocular lenses add complexity to the pathway with the possible introduction of monovision or intraocular rivalry. The neuroadaptation involved in successful use of these lenses has not been study but has been well established in other neurologic processing.
Understanding what patient selection factors are important for neuroadaptation may contribute to outcome success.
人工晶状体设计的进展为患者提供了一些恢复不同距离聚焦所需光学调节能力的选择。技术正在不断改善这些用于矫正老花眼的人工晶状体的选择。外科医生必须考虑患者可能具备的有助于成功使用这些晶状体的神经适应能力。
视觉系统的层级结构允许两个不同的视网膜图像组合形成一个具有深度的单一图像。用人工晶状体矫正老花眼的尝试增加了视觉通路的复杂性，可能会引入单眼视觉或双眼竞争。成功使用这些晶状体所涉及的神经适应尚未得到研究，但在其他神经学过程中已得到充分证实。
了解哪些患者选择因素对神经适应很重要可能有助于提高手术效果。
